Home / 112,666.38-155,487.51-62,368.62

Finding the Fourth Proportional to 112,666.38, 155,487.51 and 62,368.62

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Solution

The fourth proportional to 112,666.38, 155,487.51 and 62,368.62 is: 86,073.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,666.38 : 155,487.51 = 62,368.62 : x
  2. Step 2: Convert to fraction form
    112,666.38/155,487.51 = 62,368.62/x
  3. Step 3: Cross multiply
    112,666.38x = 155,487.51 × 62,368.62
  4. Step 4: Simplify right side
    112,666.38x = 9,697,541,425.94
  5. Step 5: Solve for x
    x = 9,697,541,425.94/112,666.38
  6. Step 6: Final answer
    x = 86,073.07

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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.