Home / 115,110.95-172,666.86-58,920.41

Finding the Fourth Proportional to 115,110.95, 172,666.86 and 58,920.41

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Solution

The fourth proportional to 115,110.95, 172,666.86 and 58,920.41 is: 88,380.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,110.95 : 172,666.86 = 58,920.41 : x
  2. Step 2: Convert to fraction form
    115,110.95/172,666.86 = 58,920.41/x
  3. Step 3: Cross multiply
    115,110.95x = 172,666.86 × 58,920.41
  4. Step 4: Simplify right side
    115,110.95x = 10,173,601,598.49
  5. Step 5: Solve for x
    x = 10,173,601,598.49/115,110.95
  6. Step 6: Final answer
    x = 88,380.83

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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.