Home / 80,722.95-121,095.01-26,669.68

Finding the Fourth Proportional to 80,722.95, 121,095.01 and 26,669.68

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Solution

The fourth proportional to 80,722.95, 121,095.01 and 26,669.68 is: 40,008.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,722.95 : 121,095.01 = 26,669.68 : x
  2. Step 2: Convert to fraction form
    80,722.95/121,095.01 = 26,669.68/x
  3. Step 3: Cross multiply
    80,722.95x = 121,095.01 × 26,669.68
  4. Step 4: Simplify right side
    80,722.95x = 3,229,564,427.47
  5. Step 5: Solve for x
    x = 3,229,564,427.47/80,722.95
  6. Step 6: Final answer
    x = 40,008.01

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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.