Home / 89,637.19-123,694.80-49,354.45

Finding the Fourth Proportional to 89,637.19, 123,694.80 and 49,354.45

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Solution

The fourth proportional to 89,637.19, 123,694.80 and 49,354.45 is: 68,106.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,637.19 : 123,694.80 = 49,354.45 : x
  2. Step 2: Convert to fraction form
    89,637.19/123,694.80 = 49,354.45/x
  3. Step 3: Cross multiply
    89,637.19x = 123,694.80 × 49,354.45
  4. Step 4: Simplify right side
    89,637.19x = 6,104,888,821.86
  5. Step 5: Solve for x
    x = 6,104,888,821.86/89,637.19
  6. Step 6: Final answer
    x = 68,106.65

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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.