Home / 65,192.20-89,962.14-40,036.84

Finding the Fourth Proportional to 65,192.20, 89,962.14 and 40,036.84

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Solution

The fourth proportional to 65,192.20, 89,962.14 and 40,036.84 is: 55,248.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,192.20 : 89,962.14 = 40,036.84 : x
  2. Step 2: Convert to fraction form
    65,192.20/89,962.14 = 40,036.84/x
  3. Step 3: Cross multiply
    65,192.20x = 89,962.14 × 40,036.84
  4. Step 4: Simplify right side
    65,192.20x = 3,601,799,805.24
  5. Step 5: Solve for x
    x = 3,601,799,805.24/65,192.20
  6. Step 6: Final answer
    x = 55,248.94

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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.