Home / 79,312.91-118,863.65-41,864.18

Finding the Fourth Proportional to 79,312.91, 118,863.65 and 41,864.18

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Solution

The fourth proportional to 79,312.91, 118,863.65 and 41,864.18 is: 62,740.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,312.91 : 118,863.65 = 41,864.18 : x
  2. Step 2: Convert to fraction form
    79,312.91/118,863.65 = 41,864.18/x
  3. Step 3: Cross multiply
    79,312.91x = 118,863.65 × 41,864.18
  4. Step 4: Simplify right side
    79,312.91x = 4,976,128,749.40
  5. Step 5: Solve for x
    x = 4,976,128,749.40/79,312.91
  6. Step 6: Final answer
    x = 62,740.47

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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.