Home / 88,860.90-133,032.15-79,529.70

Finding the Fourth Proportional to 88,860.90, 133,032.15 and 79,529.70

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Solution

The fourth proportional to 88,860.90, 133,032.15 and 79,529.70 is: 119,062.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,860.90 : 133,032.15 = 79,529.70 : x
  2. Step 2: Convert to fraction form
    88,860.90/133,032.15 = 79,529.70/x
  3. Step 3: Cross multiply
    88,860.90x = 133,032.15 × 79,529.70
  4. Step 4: Simplify right side
    88,860.90x = 10,580,006,979.86
  5. Step 5: Solve for x
    x = 10,580,006,979.86/88,860.90
  6. Step 6: Final answer
    x = 119,062.57

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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.