Home / 79,445.18-109,636.43-44,987.16

Finding the Fourth Proportional to 79,445.18, 109,636.43 and 44,987.16

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Solution

The fourth proportional to 79,445.18, 109,636.43 and 44,987.16 is: 62,083.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,445.18 : 109,636.43 = 44,987.16 : x
  2. Step 2: Convert to fraction form
    79,445.18/109,636.43 = 44,987.16/x
  3. Step 3: Cross multiply
    79,445.18x = 109,636.43 × 44,987.16
  4. Step 4: Simplify right side
    79,445.18x = 4,932,231,393.30
  5. Step 5: Solve for x
    x = 4,932,231,393.30/79,445.18
  6. Step 6: Final answer
    x = 62,083.46

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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.