Home / 80,342.04-110,878.65-44,543.28

Finding the Fourth Proportional to 80,342.04, 110,878.65 and 44,543.28

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Solution

The fourth proportional to 80,342.04, 110,878.65 and 44,543.28 is: 61,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,342.04 : 110,878.65 = 44,543.28 : x
  2. Step 2: Convert to fraction form
    80,342.04/110,878.65 = 44,543.28/x
  3. Step 3: Cross multiply
    80,342.04x = 110,878.65 × 44,543.28
  4. Step 4: Simplify right side
    80,342.04x = 4,938,898,752.97
  5. Step 5: Solve for x
    x = 4,938,898,752.97/80,342.04
  6. Step 6: Final answer
    x = 61,473.40

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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.