Home / 84,096.90-126,145.34-39,728.13

Finding the Fourth Proportional to 84,096.90, 126,145.34 and 39,728.13

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Solution

The fourth proportional to 84,096.90, 126,145.34 and 39,728.13 is: 59,592.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,096.90 : 126,145.34 = 39,728.13 : x
  2. Step 2: Convert to fraction form
    84,096.90/126,145.34 = 39,728.13/x
  3. Step 3: Cross multiply
    84,096.90x = 126,145.34 × 39,728.13
  4. Step 4: Simplify right side
    84,096.90x = 5,011,518,466.41
  5. Step 5: Solve for x
    x = 5,011,518,466.41/84,096.90
  6. Step 6: Final answer
    x = 59,592.19

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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.