Home / 57,699.42-86,549.13-46,086.45

Finding the Fourth Proportional to 57,699.42, 86,549.13 and 46,086.45

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Solution

The fourth proportional to 57,699.42, 86,549.13 and 46,086.45 is: 69,129.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,699.42 : 86,549.13 = 46,086.45 : x
  2. Step 2: Convert to fraction form
    57,699.42/86,549.13 = 46,086.45/x
  3. Step 3: Cross multiply
    57,699.42x = 86,549.13 × 46,086.45
  4. Step 4: Simplify right side
    57,699.42x = 3,988,742,152.29
  5. Step 5: Solve for x
    x = 3,988,742,152.29/57,699.42
  6. Step 6: Final answer
    x = 69,129.68

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.