Home / 77,319.22-115,946.02-27,411.88

Finding the Fourth Proportional to 77,319.22, 115,946.02 and 27,411.88

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Solution

The fourth proportional to 77,319.22, 115,946.02 and 27,411.88 is: 41,106.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,319.22 : 115,946.02 = 27,411.88 : x
  2. Step 2: Convert to fraction form
    77,319.22/115,946.02 = 27,411.88/x
  3. Step 3: Cross multiply
    77,319.22x = 115,946.02 × 27,411.88
  4. Step 4: Simplify right side
    77,319.22x = 3,178,298,386.72
  5. Step 5: Solve for x
    x = 3,178,298,386.72/77,319.22
  6. Step 6: Final answer
    x = 41,106.19

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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.