Home / 98,864.42-136,432.17-53,541.35

Finding the Fourth Proportional to 98,864.42, 136,432.17 and 53,541.35

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Solution

The fourth proportional to 98,864.42, 136,432.17 and 53,541.35 is: 73,886.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,864.42 : 136,432.17 = 53,541.35 : x
  2. Step 2: Convert to fraction form
    98,864.42/136,432.17 = 53,541.35/x
  3. Step 3: Cross multiply
    98,864.42x = 136,432.17 × 53,541.35
  4. Step 4: Simplify right side
    98,864.42x = 7,304,761,883.07
  5. Step 5: Solve for x
    x = 7,304,761,883.07/98,864.42
  6. Step 6: Final answer
    x = 73,886.66

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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.