Home / 83,998.02-125,999.46-31,397.43

Finding the Fourth Proportional to 83,998.02, 125,999.46 and 31,397.43

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Solution

The fourth proportional to 83,998.02, 125,999.46 and 31,397.43 is: 47,097.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,998.02 : 125,999.46 = 31,397.43 : x
  2. Step 2: Convert to fraction form
    83,998.02/125,999.46 = 31,397.43/x
  3. Step 3: Cross multiply
    83,998.02x = 125,999.46 × 31,397.43
  4. Step 4: Simplify right side
    83,998.02x = 3,956,059,225.39
  5. Step 5: Solve for x
    x = 3,956,059,225.39/83,998.02
  6. Step 6: Final answer
    x = 47,097.05

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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.