Home / 90,262.17-124,563.74-49,428.02

Finding the Fourth Proportional to 90,262.17, 124,563.74 and 49,428.02

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Solution

The fourth proportional to 90,262.17, 124,563.74 and 49,428.02 is: 68,211.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,262.17 : 124,563.74 = 49,428.02 : x
  2. Step 2: Convert to fraction form
    90,262.17/124,563.74 = 49,428.02/x
  3. Step 3: Cross multiply
    90,262.17x = 124,563.74 × 49,428.02
  4. Step 4: Simplify right side
    90,262.17x = 6,156,939,165.77
  5. Step 5: Solve for x
    x = 6,156,939,165.77/90,262.17
  6. Step 6: Final answer
    x = 68,211.73

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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.