Home / 79,290.36-118,901.52-26,685.72

Finding the Fourth Proportional to 79,290.36, 118,901.52 and 26,685.72

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Solution

The fourth proportional to 79,290.36, 118,901.52 and 26,685.72 is: 40,017.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,290.36 : 118,901.52 = 26,685.72 : x
  2. Step 2: Convert to fraction form
    79,290.36/118,901.52 = 26,685.72/x
  3. Step 3: Cross multiply
    79,290.36x = 118,901.52 × 26,685.72
  4. Step 4: Simplify right side
    79,290.36x = 3,172,972,670.29
  5. Step 5: Solve for x
    x = 3,172,972,670.29/79,290.36
  6. Step 6: Final answer
    x = 40,017.13

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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.