Home / 89,707.43-123,801.84-49,421.18

Finding the Fourth Proportional to 89,707.43, 123,801.84 and 49,421.18

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Solution

The fourth proportional to 89,707.43, 123,801.84 and 49,421.18 is: 68,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,707.43 : 123,801.84 = 49,421.18 : x
  2. Step 2: Convert to fraction form
    89,707.43/123,801.84 = 49,421.18/x
  3. Step 3: Cross multiply
    89,707.43x = 123,801.84 × 49,421.18
  4. Step 4: Simplify right side
    89,707.43x = 6,118,432,399.96
  5. Step 5: Solve for x
    x = 6,118,432,399.96/89,707.43
  6. Step 6: Final answer
    x = 68,204.30

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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.