Home / 88,942.60-122,740.14-57,123.64

Finding the Fourth Proportional to 88,942.60, 122,740.14 and 57,123.64

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Solution

The fourth proportional to 88,942.60, 122,740.14 and 57,123.64 is: 78,830.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,942.60 : 122,740.14 = 57,123.64 : x
  2. Step 2: Convert to fraction form
    88,942.60/122,740.14 = 57,123.64/x
  3. Step 3: Cross multiply
    88,942.60x = 122,740.14 × 57,123.64
  4. Step 4: Simplify right side
    88,942.60x = 7,011,363,570.91
  5. Step 5: Solve for x
    x = 7,011,363,570.91/88,942.60
  6. Step 6: Final answer
    x = 78,830.21

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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.