Home / 86,742.46-119,699.05-48,505.16

Finding the Fourth Proportional to 86,742.46, 119,699.05 and 48,505.16

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Solution

The fourth proportional to 86,742.46, 119,699.05 and 48,505.16 is: 66,934.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,742.46 : 119,699.05 = 48,505.16 : x
  2. Step 2: Convert to fraction form
    86,742.46/119,699.05 = 48,505.16/x
  3. Step 3: Cross multiply
    86,742.46x = 119,699.05 × 48,505.16
  4. Step 4: Simplify right side
    86,742.46x = 5,806,021,572.10
  5. Step 5: Solve for x
    x = 5,806,021,572.10/86,742.46
  6. Step 6: Final answer
    x = 66,934.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.