Home / 97,730.76-134,867.10-54,711.72

Finding the Fourth Proportional to 97,730.76, 134,867.10 and 54,711.72

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Solution

The fourth proportional to 97,730.76, 134,867.10 and 54,711.72 is: 75,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,730.76 : 134,867.10 = 54,711.72 : x
  2. Step 2: Convert to fraction form
    97,730.76/134,867.10 = 54,711.72/x
  3. Step 3: Cross multiply
    97,730.76x = 134,867.10 × 54,711.72
  4. Step 4: Simplify right side
    97,730.76x = 7,378,811,012.41
  5. Step 5: Solve for x
    x = 7,378,811,012.41/97,730.76
  6. Step 6: Final answer
    x = 75,501.42

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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.