Home / 57,225.30-85,837.95-53,999.70

Finding the Fourth Proportional to 57,225.30, 85,837.95 and 53,999.70

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Solution

The fourth proportional to 57,225.30, 85,837.95 and 53,999.70 is: 80,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,225.30 : 85,837.95 = 53,999.70 : x
  2. Step 2: Convert to fraction form
    57,225.30/85,837.95 = 53,999.70/x
  3. Step 3: Cross multiply
    57,225.30x = 85,837.95 × 53,999.70
  4. Step 4: Simplify right side
    57,225.30x = 4,635,223,548.62
  5. Step 5: Solve for x
    x = 4,635,223,548.62/57,225.30
  6. Step 6: Final answer
    x = 80,999.55

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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.