Home / 56,748.40-85,122.60-48,000.40

Finding the Fourth Proportional to 56,748.40, 85,122.60 and 48,000.40

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Solution

The fourth proportional to 56,748.40, 85,122.60 and 48,000.40 is: 72,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,748.40 : 85,122.60 = 48,000.40 : x
  2. Step 2: Convert to fraction form
    56,748.40/85,122.60 = 48,000.40/x
  3. Step 3: Cross multiply
    56,748.40x = 85,122.60 × 48,000.40
  4. Step 4: Simplify right side
    56,748.40x = 4,085,918,849.04
  5. Step 5: Solve for x
    x = 4,085,918,849.04/56,748.40
  6. Step 6: Final answer
    x = 72,000.60

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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.