Home / 88,249.71-121,802.31-52,432.82

Finding the Fourth Proportional to 88,249.71, 121,802.31 and 52,432.82

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Solution

The fourth proportional to 88,249.71, 121,802.31 and 52,432.82 is: 72,367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,249.71 : 121,802.31 = 52,432.82 : x
  2. Step 2: Convert to fraction form
    88,249.71/121,802.31 = 52,432.82/x
  3. Step 3: Cross multiply
    88,249.71x = 121,802.31 × 52,432.82
  4. Step 4: Simplify right side
    88,249.71x = 6,386,438,595.81
  5. Step 5: Solve for x
    x = 6,386,438,595.81/88,249.71
  6. Step 6: Final answer
    x = 72,367.81

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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.