Home / 57,217.20-85,825.80-52,148.40

Finding the Fourth Proportional to 57,217.20, 85,825.80 and 52,148.40

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Solution

The fourth proportional to 57,217.20, 85,825.80 and 52,148.40 is: 78,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,217.20 : 85,825.80 = 52,148.40 : x
  2. Step 2: Convert to fraction form
    57,217.20/85,825.80 = 52,148.40/x
  3. Step 3: Cross multiply
    57,217.20x = 85,825.80 × 52,148.40
  4. Step 4: Simplify right side
    57,217.20x = 4,475,678,148.72
  5. Step 5: Solve for x
    x = 4,475,678,148.72/57,217.20
  6. Step 6: Final answer
    x = 78,222.60

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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.