Home / 98,864.62-136,432.49-53,541.57

Finding the Fourth Proportional to 98,864.62, 136,432.49 and 53,541.57

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Solution

The fourth proportional to 98,864.62, 136,432.49 and 53,541.57 is: 73,887.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,864.62 : 136,432.49 = 53,541.57 : x
  2. Step 2: Convert to fraction form
    98,864.62/136,432.49 = 53,541.57/x
  3. Step 3: Cross multiply
    98,864.62x = 136,432.49 × 53,541.57
  4. Step 4: Simplify right side
    98,864.62x = 7,304,809,713.61
  5. Step 5: Solve for x
    x = 7,304,809,713.61/98,864.62
  6. Step 6: Final answer
    x = 73,887.00

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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.