Home / 97,218.58-134,175.54-54,781.06

Finding the Fourth Proportional to 97,218.58, 134,175.54 and 54,781.06

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Solution

The fourth proportional to 97,218.58, 134,175.54 and 54,781.06 is: 75,605.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,218.58 : 134,175.54 = 54,781.06 : x
  2. Step 2: Convert to fraction form
    97,218.58/134,175.54 = 54,781.06/x
  3. Step 3: Cross multiply
    97,218.58x = 134,175.54 × 54,781.06
  4. Step 4: Simplify right side
    97,218.58x = 7,350,278,307.27
  5. Step 5: Solve for x
    x = 7,350,278,307.27/97,218.58
  6. Step 6: Final answer
    x = 75,605.69

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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.