Home / 77,296.29-115,962.54-23,985.54

Finding the Fourth Proportional to 77,296.29, 115,962.54 and 23,985.54

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Solution

The fourth proportional to 77,296.29, 115,962.54 and 23,985.54 is: 35,983.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,296.29 : 115,962.54 = 23,985.54 : x
  2. Step 2: Convert to fraction form
    77,296.29/115,962.54 = 23,985.54/x
  3. Step 3: Cross multiply
    77,296.29x = 115,962.54 × 23,985.54
  4. Step 4: Simplify right side
    77,296.29x = 2,781,424,141.67
  5. Step 5: Solve for x
    x = 2,781,424,141.67/77,296.29
  6. Step 6: Final answer
    x = 35,983.93

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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.