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Finding the Fourth Proportional to 88,649.60, 133,060.80 and 44,326.40

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Solution

The fourth proportional to 88,649.60, 133,060.80 and 44,326.40 is: 66,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,649.60 : 133,060.80 = 44,326.40 : x
  2. Step 2: Convert to fraction form
    88,649.60/133,060.80 = 44,326.40/x
  3. Step 3: Cross multiply
    88,649.60x = 133,060.80 × 44,326.40
  4. Step 4: Simplify right side
    88,649.60x = 5,898,106,245.12
  5. Step 5: Solve for x
    x = 5,898,106,245.12/88,649.60
  6. Step 6: Final answer
    x = 66,532.80

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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.