Home / 81,032.16-111,829.98-45,229.14

Finding the Fourth Proportional to 81,032.16, 111,829.98 and 45,229.14

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Solution

The fourth proportional to 81,032.16, 111,829.98 and 45,229.14 is: 62,419.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,032.16 : 111,829.98 = 45,229.14 : x
  2. Step 2: Convert to fraction form
    81,032.16/111,829.98 = 45,229.14/x
  3. Step 3: Cross multiply
    81,032.16x = 111,829.98 × 45,229.14
  4. Step 4: Simplify right side
    81,032.16x = 5,057,973,821.62
  5. Step 5: Solve for x
    x = 5,057,973,821.62/81,032.16
  6. Step 6: Final answer
    x = 62,419.34

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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.