Home / 69,126.68-95,368.75-40,437.20

Finding the Fourth Proportional to 69,126.68, 95,368.75 and 40,437.20

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Solution

The fourth proportional to 69,126.68, 95,368.75 and 40,437.20 is: 55,788.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,126.68 : 95,368.75 = 40,437.20 : x
  2. Step 2: Convert to fraction form
    69,126.68/95,368.75 = 40,437.20/x
  3. Step 3: Cross multiply
    69,126.68x = 95,368.75 × 40,437.20
  4. Step 4: Simplify right side
    69,126.68x = 3,856,445,354.83
  5. Step 5: Solve for x
    x = 3,856,445,354.83/69,126.68
  6. Step 6: Final answer
    x = 55,788.09

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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.