Home / 54,403.20-81,604.80-52,502.40

Finding the Fourth Proportional to 54,403.20, 81,604.80 and 52,502.40

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Solution

The fourth proportional to 54,403.20, 81,604.80 and 52,502.40 is: 78,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,403.20 : 81,604.80 = 52,502.40 : x
  2. Step 2: Convert to fraction form
    54,403.20/81,604.80 = 52,502.40/x
  3. Step 3: Cross multiply
    54,403.20x = 81,604.80 × 52,502.40
  4. Step 4: Simplify right side
    54,403.20x = 4,284,447,851.52
  5. Step 5: Solve for x
    x = 4,284,447,851.52/54,403.20
  6. Step 6: Final answer
    x = 78,753.60

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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.