Home / 98,864.35-136,432.12-53,541.30

Finding the Fourth Proportional to 98,864.35, 136,432.12 and 53,541.30

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Solution

The fourth proportional to 98,864.35, 136,432.12 and 53,541.30 is: 73,886.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,864.35 : 136,432.12 = 53,541.30 : x
  2. Step 2: Convert to fraction form
    98,864.35/136,432.12 = 53,541.30/x
  3. Step 3: Cross multiply
    98,864.35x = 136,432.12 × 53,541.30
  4. Step 4: Simplify right side
    98,864.35x = 7,304,753,695.30
  5. Step 5: Solve for x
    x = 7,304,753,695.30/98,864.35
  6. Step 6: Final answer
    x = 73,886.63

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1.5x scale

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.