Home / 97,574.80-134,651.47-55,132.42

Finding the Fourth Proportional to 97,574.80, 134,651.47 and 55,132.42

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Solution

The fourth proportional to 97,574.80, 134,651.47 and 55,132.42 is: 76,081.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,574.80 : 134,651.47 = 55,132.42 : x
  2. Step 2: Convert to fraction form
    97,574.80/134,651.47 = 55,132.42/x
  3. Step 3: Cross multiply
    97,574.80x = 134,651.47 × 55,132.42
  4. Step 4: Simplify right side
    97,574.80x = 7,423,661,397.66
  5. Step 5: Solve for x
    x = 7,423,661,397.66/97,574.80
  6. Step 6: Final answer
    x = 76,081.75

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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.