Home / 88,829.46-122,465.25-86,077.62

Finding the Fourth Proportional to 88,829.46, 122,465.25 and 86,077.62

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Solution

The fourth proportional to 88,829.46, 122,465.25 and 86,077.62 is: 118,671.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,829.46 : 122,465.25 = 86,077.62 : x
  2. Step 2: Convert to fraction form
    88,829.46/122,465.25 = 86,077.62/x
  3. Step 3: Cross multiply
    88,829.46x = 122,465.25 × 86,077.62
  4. Step 4: Simplify right side
    88,829.46x = 10,541,517,252.71
  5. Step 5: Solve for x
    x = 10,541,517,252.71/88,829.46
  6. Step 6: Final answer
    x = 118,671.41

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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.