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Finding the Fourth Proportional to 88,859.40, 133,070.40 and 59,116.20

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Solution

The fourth proportional to 88,859.40, 133,070.40 and 59,116.20 is: 88,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,859.40 : 133,070.40 = 59,116.20 : x
  2. Step 2: Convert to fraction form
    88,859.40/133,070.40 = 59,116.20/x
  3. Step 3: Cross multiply
    88,859.40x = 133,070.40 × 59,116.20
  4. Step 4: Simplify right side
    88,859.40x = 7,866,616,380.48
  5. Step 5: Solve for x
    x = 7,866,616,380.48/88,859.40
  6. Step 6: Final answer
    x = 88,528.80

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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.