Home / 84,411.02-126,579.60-40,050.43

Finding the Fourth Proportional to 84,411.02, 126,579.60 and 40,050.43

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Solution

The fourth proportional to 84,411.02, 126,579.60 and 40,050.43 is: 60,058.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,411.02 : 126,579.60 = 40,050.43 : x
  2. Step 2: Convert to fraction form
    84,411.02/126,579.60 = 40,050.43/x
  3. Step 3: Cross multiply
    84,411.02x = 126,579.60 × 40,050.43
  4. Step 4: Simplify right side
    84,411.02x = 5,069,567,092.78
  5. Step 5: Solve for x
    x = 5,069,567,092.78/84,411.02
  6. Step 6: Final answer
    x = 60,058.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.