Home / 71,543.32-98,730.16-44,701.39

Finding the Fourth Proportional to 71,543.32, 98,730.16 and 44,701.39

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Solution

The fourth proportional to 71,543.32, 98,730.16 and 44,701.39 is: 61,688.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,543.32 : 98,730.16 = 44,701.39 : x
  2. Step 2: Convert to fraction form
    71,543.32/98,730.16 = 44,701.39/x
  3. Step 3: Cross multiply
    71,543.32x = 98,730.16 × 44,701.39
  4. Step 4: Simplify right side
    71,543.32x = 4,413,375,689.62
  5. Step 5: Solve for x
    x = 4,413,375,689.62/71,543.32
  6. Step 6: Final answer
    x = 61,688.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.