Home / 124,141.15-186,065.92-57,440.40

Finding the Fourth Proportional to 124,141.15, 186,065.92 and 57,440.40

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Solution

The fourth proportional to 124,141.15, 186,065.92 and 57,440.40 is: 86,093.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,141.15 : 186,065.92 = 57,440.40 : x
  2. Step 2: Convert to fraction form
    124,141.15/186,065.92 = 57,440.40/x
  3. Step 3: Cross multiply
    124,141.15x = 186,065.92 × 57,440.40
  4. Step 4: Simplify right side
    124,141.15x = 10,687,700,871.17
  5. Step 5: Solve for x
    x = 10,687,700,871.17/124,141.15
  6. Step 6: Final answer
    x = 86,093.14

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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.