Home / 90,028.93-134,909.76-36,655.62

Finding the Fourth Proportional to 90,028.93, 134,909.76 and 36,655.62

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Solution

The fourth proportional to 90,028.93, 134,909.76 and 36,655.62 is: 54,929.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,028.93 : 134,909.76 = 36,655.62 : x
  2. Step 2: Convert to fraction form
    90,028.93/134,909.76 = 36,655.62/x
  3. Step 3: Cross multiply
    90,028.93x = 134,909.76 × 36,655.62
  4. Step 4: Simplify right side
    90,028.93x = 4,945,200,283.46
  5. Step 5: Solve for x
    x = 4,945,200,283.46/90,028.93
  6. Step 6: Final answer
    x = 54,929.01

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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.