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Finding the Fourth Proportional to 58,809.40, 88,116.90 and 50,450.20

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Solution

The fourth proportional to 58,809.40, 88,116.90 and 50,450.20 is: 75,591.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,809.40 : 88,116.90 = 50,450.20 : x
  2. Step 2: Convert to fraction form
    58,809.40/88,116.90 = 50,450.20/x
  3. Step 3: Cross multiply
    58,809.40x = 88,116.90 × 50,450.20
  4. Step 4: Simplify right side
    58,809.40x = 4,445,515,228.38
  5. Step 5: Solve for x
    x = 4,445,515,228.38/58,809.40
  6. Step 6: Final answer
    x = 75,591.92

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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.