Home / 100,100.04-138,124.38-59,805.24

Finding the Fourth Proportional to 100,100.04, 138,124.38 and 59,805.24

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Solution

The fourth proportional to 100,100.04, 138,124.38 and 59,805.24 is: 82,523.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,100.04 : 138,124.38 = 59,805.24 : x
  2. Step 2: Convert to fraction form
    100,100.04/138,124.38 = 59,805.24/x
  3. Step 3: Cross multiply
    100,100.04x = 138,124.38 × 59,805.24
  4. Step 4: Simplify right side
    100,100.04x = 8,260,561,695.75
  5. Step 5: Solve for x
    x = 8,260,561,695.75/100,100.04
  6. Step 6: Final answer
    x = 82,523.06

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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.