Home / 83,657.04-125,534.52-31,102.80

Finding the Fourth Proportional to 83,657.04, 125,534.52 and 31,102.80

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Solution

The fourth proportional to 83,657.04, 125,534.52 and 31,102.80 is: 46,672.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,657.04 : 125,534.52 = 31,102.80 : x
  2. Step 2: Convert to fraction form
    83,657.04/125,534.52 = 31,102.80/x
  3. Step 3: Cross multiply
    83,657.04x = 125,534.52 × 31,102.80
  4. Step 4: Simplify right side
    83,657.04x = 3,904,475,068.66
  5. Step 5: Solve for x
    x = 3,904,475,068.66/83,657.04
  6. Step 6: Final answer
    x = 46,672.40

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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.