Home / 77,360.26-115,892.16-52,357.18

Finding the Fourth Proportional to 77,360.26, 115,892.16 and 52,357.18

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Solution

The fourth proportional to 77,360.26, 115,892.16 and 52,357.18 is: 78,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,360.26 : 115,892.16 = 52,357.18 : x
  2. Step 2: Convert to fraction form
    77,360.26/115,892.16 = 52,357.18/x
  3. Step 3: Cross multiply
    77,360.26x = 115,892.16 × 52,357.18
  4. Step 4: Simplify right side
    77,360.26x = 6,067,786,681.71
  5. Step 5: Solve for x
    x = 6,067,786,681.71/77,360.26
  6. Step 6: Final answer
    x = 78,435.45

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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.