Home / 98,639.47-147,957.84-92,335.44

Finding the Fourth Proportional to 98,639.47, 147,957.84 and 92,335.44

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Solution

The fourth proportional to 98,639.47, 147,957.84 and 92,335.44 is: 138,501.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,639.47 : 147,957.84 = 92,335.44 : x
  2. Step 2: Convert to fraction form
    98,639.47/147,957.84 = 92,335.44/x
  3. Step 3: Cross multiply
    98,639.47x = 147,957.84 × 92,335.44
  4. Step 4: Simplify right side
    98,639.47x = 13,661,752,812.69
  5. Step 5: Solve for x
    x = 13,661,752,812.69/98,639.47
  6. Step 6: Final answer
    x = 138,501.89

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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.