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Finding the Fourth Proportional to 85,160.87, 117,527.25 and 47,435.12

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Solution

The fourth proportional to 85,160.87, 117,527.25 and 47,435.12 is: 65,463.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,160.87 : 117,527.25 = 47,435.12 : x
  2. Step 2: Convert to fraction form
    85,160.87/117,527.25 = 47,435.12/x
  3. Step 3: Cross multiply
    85,160.87x = 117,527.25 × 47,435.12
  4. Step 4: Simplify right side
    85,160.87x = 5,574,918,619.38
  5. Step 5: Solve for x
    x = 5,574,918,619.38/85,160.87
  6. Step 6: Final answer
    x = 65,463.39

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1.5x scale

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.