Home / 88,407.52-132,611.28-72,792.36

Finding the Fourth Proportional to 88,407.52, 132,611.28 and 72,792.36

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Solution

The fourth proportional to 88,407.52, 132,611.28 and 72,792.36 is: 109,188.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,407.52 : 132,611.28 = 72,792.36 : x
  2. Step 2: Convert to fraction form
    88,407.52/132,611.28 = 72,792.36/x
  3. Step 3: Cross multiply
    88,407.52x = 132,611.28 × 72,792.36
  4. Step 4: Simplify right side
    88,407.52x = 9,653,088,033.82
  5. Step 5: Solve for x
    x = 9,653,088,033.82/88,407.52
  6. Step 6: Final answer
    x = 109,188.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.