Home / 97,574.83-134,651.51-55,132.45

Finding the Fourth Proportional to 97,574.83, 134,651.51 and 55,132.45

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Solution

The fourth proportional to 97,574.83, 134,651.51 and 55,132.45 is: 76,081.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,574.83 : 134,651.51 = 55,132.45 : x
  2. Step 2: Convert to fraction form
    97,574.83/134,651.51 = 55,132.45/x
  3. Step 3: Cross multiply
    97,574.83x = 134,651.51 × 55,132.45
  4. Step 4: Simplify right side
    97,574.83x = 7,423,666,693.58
  5. Step 5: Solve for x
    x = 7,423,666,693.58/97,574.83
  6. Step 6: Final answer
    x = 76,081.78

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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.