Home / 97,784.07-134,910.42-54,757.13

Finding the Fourth Proportional to 97,784.07, 134,910.42 and 54,757.13

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Solution

The fourth proportional to 97,784.07, 134,910.42 and 54,757.13 is: 75,547.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,784.07 : 134,910.42 = 54,757.13 : x
  2. Step 2: Convert to fraction form
    97,784.07/134,910.42 = 54,757.13/x
  3. Step 3: Cross multiply
    97,784.07x = 134,910.42 × 54,757.13
  4. Step 4: Simplify right side
    97,784.07x = 7,387,306,731.74
  5. Step 5: Solve for x
    x = 7,387,306,731.74/97,784.07
  6. Step 6: Final answer
    x = 75,547.14

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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.