Home / 115,043.18-172,240.34-60,885.18

Finding the Fourth Proportional to 115,043.18, 172,240.34 and 60,885.18

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Solution

The fourth proportional to 115,043.18, 172,240.34 and 60,885.18 is: 91,156.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,043.18 : 172,240.34 = 60,885.18 : x
  2. Step 2: Convert to fraction form
    115,043.18/172,240.34 = 60,885.18/x
  3. Step 3: Cross multiply
    115,043.18x = 172,240.34 × 60,885.18
  4. Step 4: Simplify right side
    115,043.18x = 10,486,883,799.74
  5. Step 5: Solve for x
    x = 10,486,883,799.74/115,043.18
  6. Step 6: Final answer
    x = 91,156.07

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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.