Home / 85,024.60-127,531.98-32,439.40

Finding the Fourth Proportional to 85,024.60, 127,531.98 and 32,439.40

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Solution

The fourth proportional to 85,024.60, 127,531.98 and 32,439.40 is: 48,657.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,024.60 : 127,531.98 = 32,439.40 : x
  2. Step 2: Convert to fraction form
    85,024.60/127,531.98 = 32,439.40/x
  3. Step 3: Cross multiply
    85,024.60x = 127,531.98 × 32,439.40
  4. Step 4: Simplify right side
    85,024.60x = 4,137,060,912.01
  5. Step 5: Solve for x
    x = 4,137,060,912.01/85,024.60
  6. Step 6: Final answer
    x = 48,657.22

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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.