Home / 77,393.26-115,941.57-52,390.18

Finding the Fourth Proportional to 77,393.26, 115,941.57 and 52,390.18

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Solution

The fourth proportional to 77,393.26, 115,941.57 and 52,390.18 is: 78,484.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,393.26 : 115,941.57 = 52,390.18 : x
  2. Step 2: Convert to fraction form
    77,393.26/115,941.57 = 52,390.18/x
  3. Step 3: Cross multiply
    77,393.26x = 115,941.57 × 52,390.18
  4. Step 4: Simplify right side
    77,393.26x = 6,074,199,721.78
  5. Step 5: Solve for x
    x = 6,074,199,721.78/77,393.26
  6. Step 6: Final answer
    x = 78,484.87

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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.