Home / 92,140.24-138,211.13-25,585.55

Finding the Fourth Proportional to 92,140.24, 138,211.13 and 25,585.55

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Solution

The fourth proportional to 92,140.24, 138,211.13 and 25,585.55 is: 38,378.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,140.24 : 138,211.13 = 25,585.55 : x
  2. Step 2: Convert to fraction form
    92,140.24/138,211.13 = 25,585.55/x
  3. Step 3: Cross multiply
    92,140.24x = 138,211.13 × 25,585.55
  4. Step 4: Simplify right side
    92,140.24x = 3,536,208,301.89
  5. Step 5: Solve for x
    x = 3,536,208,301.89/92,140.24
  6. Step 6: Final answer
    x = 38,378.54

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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.