Home / 55,332.18-76,358.61-31,466.70

Finding the Fourth Proportional to 55,332.18, 76,358.61 and 31,466.70

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Solution

The fourth proportional to 55,332.18, 76,358.61 and 31,466.70 is: 43,424.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,332.18 : 76,358.61 = 31,466.70 : x
  2. Step 2: Convert to fraction form
    55,332.18/76,358.61 = 31,466.70/x
  3. Step 3: Cross multiply
    55,332.18x = 76,358.61 × 31,466.70
  4. Step 4: Simplify right side
    55,332.18x = 2,402,753,473.29
  5. Step 5: Solve for x
    x = 2,402,753,473.29/55,332.18
  6. Step 6: Final answer
    x = 43,424.16

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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.