Home / 90,962.08-136,399.28-38,342.88

Finding the Fourth Proportional to 90,962.08, 136,399.28 and 38,342.88

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Solution

The fourth proportional to 90,962.08, 136,399.28 and 38,342.88 is: 57,495.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,962.08 : 136,399.28 = 38,342.88 : x
  2. Step 2: Convert to fraction form
    90,962.08/136,399.28 = 38,342.88/x
  3. Step 3: Cross multiply
    90,962.08x = 136,399.28 × 38,342.88
  4. Step 4: Simplify right side
    90,962.08x = 5,229,941,225.13
  5. Step 5: Solve for x
    x = 5,229,941,225.13/90,962.08
  6. Step 6: Final answer
    x = 57,495.84

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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.