Home / 72,604.28-100,227.60-48,445.40

Finding the Fourth Proportional to 72,604.28, 100,227.60 and 48,445.40

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Solution

The fourth proportional to 72,604.28, 100,227.60 and 48,445.40 is: 66,877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,604.28 : 100,227.60 = 48,445.40 : x
  2. Step 2: Convert to fraction form
    72,604.28/100,227.60 = 48,445.40/x
  3. Step 3: Cross multiply
    72,604.28x = 100,227.60 × 48,445.40
  4. Step 4: Simplify right side
    72,604.28x = 4,855,566,173.04
  5. Step 5: Solve for x
    x = 4,855,566,173.04/72,604.28
  6. Step 6: Final answer
    x = 66,877.13

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1.5x scale

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.