Home / 89,895.40-124,056.18-49,610.20

Finding the Fourth Proportional to 89,895.40, 124,056.18 and 49,610.20

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Solution

The fourth proportional to 89,895.40, 124,056.18 and 49,610.20 is: 68,462.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,895.40 : 124,056.18 = 49,610.20 : x
  2. Step 2: Convert to fraction form
    89,895.40/124,056.18 = 49,610.20/x
  3. Step 3: Cross multiply
    89,895.40x = 124,056.18 × 49,610.20
  4. Step 4: Simplify right side
    89,895.40x = 6,154,451,901.04
  5. Step 5: Solve for x
    x = 6,154,451,901.04/89,895.40
  6. Step 6: Final answer
    x = 68,462.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.