Home / 71,637.15-98,832.42-44,400.78

Finding the Fourth Proportional to 71,637.15, 98,832.42 and 44,400.78

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Solution

The fourth proportional to 71,637.15, 98,832.42 and 44,400.78 is: 61,256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,637.15 : 98,832.42 = 44,400.78 : x
  2. Step 2: Convert to fraction form
    71,637.15/98,832.42 = 44,400.78/x
  3. Step 3: Cross multiply
    71,637.15x = 98,832.42 × 44,400.78
  4. Step 4: Simplify right side
    71,637.15x = 4,388,236,537.29
  5. Step 5: Solve for x
    x = 4,388,236,537.29/71,637.15
  6. Step 6: Final answer
    x = 61,256.44

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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.