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Finding the Fourth Proportional to 60,000.80, 90,098.40 and 33,756.80

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Solution

The fourth proportional to 60,000.80, 90,098.40 and 33,756.80 is: 50,689.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,000.80 : 90,098.40 = 33,756.80 : x
  2. Step 2: Convert to fraction form
    60,000.80/90,098.40 = 33,756.80/x
  3. Step 3: Cross multiply
    60,000.80x = 90,098.40 × 33,756.80
  4. Step 4: Simplify right side
    60,000.80x = 3,041,433,669.12
  5. Step 5: Solve for x
    x = 3,041,433,669.12/60,000.80
  6. Step 6: Final answer
    x = 50,689.89

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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.