Home / 80,923.71-121,060.32-69,948.21

Finding the Fourth Proportional to 80,923.71, 121,060.32 and 69,948.21

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Solution

The fourth proportional to 80,923.71, 121,060.32 and 69,948.21 is: 104,641.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,923.71 : 121,060.32 = 69,948.21 : x
  2. Step 2: Convert to fraction form
    80,923.71/121,060.32 = 69,948.21/x
  3. Step 3: Cross multiply
    80,923.71x = 121,060.32 × 69,948.21
  4. Step 4: Simplify right side
    80,923.71x = 8,467,952,686.03
  5. Step 5: Solve for x
    x = 8,467,952,686.03/80,923.71
  6. Step 6: Final answer
    x = 104,641.18

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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.