Home / 80,740.32-121,073.04-44,692.32

Finding the Fourth Proportional to 80,740.32, 121,073.04 and 44,692.32

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Solution

The fourth proportional to 80,740.32, 121,073.04 and 44,692.32 is: 67,017.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,740.32 : 121,073.04 = 44,692.32 : x
  2. Step 2: Convert to fraction form
    80,740.32/121,073.04 = 44,692.32/x
  3. Step 3: Cross multiply
    80,740.32x = 121,073.04 × 44,692.32
  4. Step 4: Simplify right side
    80,740.32x = 5,411,035,047.05
  5. Step 5: Solve for x
    x = 5,411,035,047.05/80,740.32
  6. Step 6: Final answer
    x = 67,017.76

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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.