Home / 85,317.54-127,921.50-35,432.04

Finding the Fourth Proportional to 85,317.54, 127,921.50 and 35,432.04

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Solution

The fourth proportional to 85,317.54, 127,921.50 and 35,432.04 is: 53,125.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,317.54 : 127,921.50 = 35,432.04 : x
  2. Step 2: Convert to fraction form
    85,317.54/127,921.50 = 35,432.04/x
  3. Step 3: Cross multiply
    85,317.54x = 127,921.50 × 35,432.04
  4. Step 4: Simplify right side
    85,317.54x = 4,532,519,704.86
  5. Step 5: Solve for x
    x = 4,532,519,704.86/85,317.54
  6. Step 6: Final answer
    x = 53,125.30

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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.