Home / 88,923.40-133,385.10-74,926.60

Finding the Fourth Proportional to 88,923.40, 133,385.10 and 74,926.60

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Solution

The fourth proportional to 88,923.40, 133,385.10 and 74,926.60 is: 112,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,923.40 : 133,385.10 = 74,926.60 : x
  2. Step 2: Convert to fraction form
    88,923.40/133,385.10 = 74,926.60/x
  3. Step 3: Cross multiply
    88,923.40x = 133,385.10 × 74,926.60
  4. Step 4: Simplify right side
    88,923.40x = 9,994,092,033.66
  5. Step 5: Solve for x
    x = 9,994,092,033.66/88,923.40
  6. Step 6: Final answer
    x = 112,389.90

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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.