Home / 84,237.62-126,293.99-39,812.47

Finding the Fourth Proportional to 84,237.62, 126,293.99 and 39,812.47

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Solution

The fourth proportional to 84,237.62, 126,293.99 and 39,812.47 is: 59,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,237.62 : 126,293.99 = 39,812.47 : x
  2. Step 2: Convert to fraction form
    84,237.62/126,293.99 = 39,812.47/x
  3. Step 3: Cross multiply
    84,237.62x = 126,293.99 × 39,812.47
  4. Step 4: Simplify right side
    84,237.62x = 5,028,075,471.85
  5. Step 5: Solve for x
    x = 5,028,075,471.85/84,237.62
  6. Step 6: Final answer
    x = 59,689.20

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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.