Home / 89,440.03-123,424.67-49,153.73

Finding the Fourth Proportional to 89,440.03, 123,424.67 and 49,153.73

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Solution

The fourth proportional to 89,440.03, 123,424.67 and 49,153.73 is: 67,830.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,440.03 : 123,424.67 = 49,153.73 : x
  2. Step 2: Convert to fraction form
    89,440.03/123,424.67 = 49,153.73/x
  3. Step 3: Cross multiply
    89,440.03x = 123,424.67 × 49,153.73
  4. Step 4: Simplify right side
    89,440.03x = 6,066,782,658.75
  5. Step 5: Solve for x
    x = 6,066,782,658.75/89,440.03
  6. Step 6: Final answer
    x = 67,830.74

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1.5x scale

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.