Home / 81,265.08-112,139.72-45,448.17

Finding the Fourth Proportional to 81,265.08, 112,139.72 and 45,448.17

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Solution

The fourth proportional to 81,265.08, 112,139.72 and 45,448.17 is: 62,715.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,265.08 : 112,139.72 = 45,448.17 : x
  2. Step 2: Convert to fraction form
    81,265.08/112,139.72 = 45,448.17/x
  3. Step 3: Cross multiply
    81,265.08x = 112,139.72 × 45,448.17
  4. Step 4: Simplify right side
    81,265.08x = 5,096,545,058.31
  5. Step 5: Solve for x
    x = 5,096,545,058.31/81,265.08
  6. Step 6: Final answer
    x = 62,715.07

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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.