Home / 79,901.04-119,806.56-26,564.40

Finding the Fourth Proportional to 79,901.04, 119,806.56 and 26,564.40

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Solution

The fourth proportional to 79,901.04, 119,806.56 and 26,564.40 is: 39,831.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,901.04 : 119,806.56 = 26,564.40 : x
  2. Step 2: Convert to fraction form
    79,901.04/119,806.56 = 26,564.40/x
  3. Step 3: Cross multiply
    79,901.04x = 119,806.56 × 26,564.40
  4. Step 4: Simplify right side
    79,901.04x = 3,182,589,382.46
  5. Step 5: Solve for x
    x = 3,182,589,382.46/79,901.04
  6. Step 6: Final answer
    x = 39,831.64

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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.