Home / 89,306.60-123,247.47-49,019.93

Finding the Fourth Proportional to 89,306.60, 123,247.47 and 49,019.93

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Solution

The fourth proportional to 89,306.60, 123,247.47 and 49,019.93 is: 67,649.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,306.60 : 123,247.47 = 49,019.93 : x
  2. Step 2: Convert to fraction form
    89,306.60/123,247.47 = 49,019.93/x
  3. Step 3: Cross multiply
    89,306.60x = 123,247.47 × 49,019.93
  4. Step 4: Simplify right side
    89,306.60x = 6,041,583,075.11
  5. Step 5: Solve for x
    x = 6,041,583,075.11/89,306.60
  6. Step 6: Final answer
    x = 67,649.91

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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.