Home / 83,903.18-125,851.80-36,518.18

Finding the Fourth Proportional to 83,903.18, 125,851.80 and 36,518.18

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Solution

The fourth proportional to 83,903.18, 125,851.80 and 36,518.18 is: 54,775.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,903.18 : 125,851.80 = 36,518.18 : x
  2. Step 2: Convert to fraction form
    83,903.18/125,851.80 = 36,518.18/x
  3. Step 3: Cross multiply
    83,903.18x = 125,851.80 × 36,518.18
  4. Step 4: Simplify right side
    83,903.18x = 4,595,878,685.72
  5. Step 5: Solve for x
    x = 4,595,878,685.72/83,903.18
  6. Step 6: Final answer
    x = 54,775.98

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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.