Home / 92,430.30-127,559.76-52,129.38

Finding the Fourth Proportional to 92,430.30, 127,559.76 and 52,129.38

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Solution

The fourth proportional to 92,430.30, 127,559.76 and 52,129.38 is: 71,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,430.30 : 127,559.76 = 52,129.38 : x
  2. Step 2: Convert to fraction form
    92,430.30/127,559.76 = 52,129.38/x
  3. Step 3: Cross multiply
    92,430.30x = 127,559.76 × 52,129.38
  4. Step 4: Simplify right side
    92,430.30x = 6,649,611,201.75
  5. Step 5: Solve for x
    x = 6,649,611,201.75/92,430.30
  6. Step 6: Final answer
    x = 71,941.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.