Home / 89,909.65-124,075.20-49,623.49

Finding the Fourth Proportional to 89,909.65, 124,075.20 and 49,623.49

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Solution

The fourth proportional to 89,909.65, 124,075.20 and 49,623.49 is: 68,480.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,909.65 : 124,075.20 = 49,623.49 : x
  2. Step 2: Convert to fraction form
    89,909.65/124,075.20 = 49,623.49/x
  3. Step 3: Cross multiply
    89,909.65x = 124,075.20 × 49,623.49
  4. Step 4: Simplify right side
    89,909.65x = 6,157,044,446.45
  5. Step 5: Solve for x
    x = 6,157,044,446.45/89,909.65
  6. Step 6: Final answer
    x = 68,480.35

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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.