Home / 84,102.47-126,153.68-57,727.25

Finding the Fourth Proportional to 84,102.47, 126,153.68 and 57,727.25

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Solution

The fourth proportional to 84,102.47, 126,153.68 and 57,727.25 is: 86,590.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,102.47 : 126,153.68 = 57,727.25 : x
  2. Step 2: Convert to fraction form
    84,102.47/126,153.68 = 57,727.25/x
  3. Step 3: Cross multiply
    84,102.47x = 126,153.68 × 57,727.25
  4. Step 4: Simplify right side
    84,102.47x = 7,282,505,483.48
  5. Step 5: Solve for x
    x = 7,282,505,483.48/84,102.47
  6. Step 6: Final answer
    x = 86,590.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.