Home / 57,646.56-85,896.75-51,358.25

Finding the Fourth Proportional to 57,646.56, 85,896.75 and 51,358.25

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Solution

The fourth proportional to 57,646.56, 85,896.75 and 51,358.25 is: 76,526.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,646.56 : 85,896.75 = 51,358.25 : x
  2. Step 2: Convert to fraction form
    57,646.56/85,896.75 = 51,358.25/x
  3. Step 3: Cross multiply
    57,646.56x = 85,896.75 × 51,358.25
  4. Step 4: Simplify right side
    57,646.56x = 4,411,506,632.29
  5. Step 5: Solve for x
    x = 4,411,506,632.29/57,646.56
  6. Step 6: Final answer
    x = 76,526.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.