Home / 77,339.10-116,494.68-70,363.92

Finding the Fourth Proportional to 77,339.10, 116,494.68 and 70,363.92

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Solution

The fourth proportional to 77,339.10, 116,494.68 and 70,363.92 is: 105,988.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,339.10 : 116,494.68 = 70,363.92 : x
  2. Step 2: Convert to fraction form
    77,339.10/116,494.68 = 70,363.92/x
  3. Step 3: Cross multiply
    77,339.10x = 116,494.68 × 70,363.92
  4. Step 4: Simplify right side
    77,339.10x = 8,197,022,343.95
  5. Step 5: Solve for x
    x = 8,197,022,343.95/77,339.10
  6. Step 6: Final answer
    x = 105,988.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.