Home / 69,410.80-95,948.32-61,931.26

Finding the Fourth Proportional to 69,410.80, 95,948.32 and 61,931.26

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Solution

The fourth proportional to 69,410.80, 95,948.32 and 61,931.26 is: 85,609.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,410.80 : 95,948.32 = 61,931.26 : x
  2. Step 2: Convert to fraction form
    69,410.80/95,948.32 = 61,931.26/x
  3. Step 3: Cross multiply
    69,410.80x = 95,948.32 × 61,931.26
  4. Step 4: Simplify right side
    69,410.80x = 5,942,200,352.48
  5. Step 5: Solve for x
    x = 5,942,200,352.48/69,410.80
  6. Step 6: Final answer
    x = 85,609.16

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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.