Home / 80,534.60-111,120.06-48,702.80

Finding the Fourth Proportional to 80,534.60, 111,120.06 and 48,702.80

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Solution

The fourth proportional to 80,534.60, 111,120.06 and 48,702.80 is: 67,199.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,534.60 : 111,120.06 = 48,702.80 : x
  2. Step 2: Convert to fraction form
    80,534.60/111,120.06 = 48,702.80/x
  3. Step 3: Cross multiply
    80,534.60x = 111,120.06 × 48,702.80
  4. Step 4: Simplify right side
    80,534.60x = 5,411,858,058.17
  5. Step 5: Solve for x
    x = 5,411,858,058.17/80,534.60
  6. Step 6: Final answer
    x = 67,199.17

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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.