Home / 83,420.24-125,113.08-30,793.76

Finding the Fourth Proportional to 83,420.24, 125,113.08 and 30,793.76

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Solution

The fourth proportional to 83,420.24, 125,113.08 and 30,793.76 is: 46,184.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,420.24 : 125,113.08 = 30,793.76 : x
  2. Step 2: Convert to fraction form
    83,420.24/125,113.08 = 30,793.76/x
  3. Step 3: Cross multiply
    83,420.24x = 125,113.08 × 30,793.76
  4. Step 4: Simplify right side
    83,420.24x = 3,852,702,158.38
  5. Step 5: Solve for x
    x = 3,852,702,158.38/83,420.24
  6. Step 6: Final answer
    x = 46,184.26

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1.5x scale

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.