Home / 83,531.80-125,333.70-48,501.40

Finding the Fourth Proportional to 83,531.80, 125,333.70 and 48,501.40

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Solution

The fourth proportional to 83,531.80, 125,333.70 and 48,501.40 is: 72,773.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,531.80 : 125,333.70 = 48,501.40 : x
  2. Step 2: Convert to fraction form
    83,531.80/125,333.70 = 48,501.40/x
  3. Step 3: Cross multiply
    83,531.80x = 125,333.70 × 48,501.40
  4. Step 4: Simplify right side
    83,531.80x = 6,078,859,917.18
  5. Step 5: Solve for x
    x = 6,078,859,917.18/83,531.80
  6. Step 6: Final answer
    x = 72,773.00

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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.