Home / 86,543.02-129,815.34-33,957.82

Finding the Fourth Proportional to 86,543.02, 129,815.34 and 33,957.82

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Solution

The fourth proportional to 86,543.02, 129,815.34 and 33,957.82 is: 50,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,543.02 : 129,815.34 = 33,957.82 : x
  2. Step 2: Convert to fraction form
    86,543.02/129,815.34 = 33,957.82/x
  3. Step 3: Cross multiply
    86,543.02x = 129,815.34 × 33,957.82
  4. Step 4: Simplify right side
    86,543.02x = 4,408,245,948.96
  5. Step 5: Solve for x
    x = 4,408,245,948.96/86,543.02
  6. Step 6: Final answer
    x = 50,937.05

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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.