Home / 77,030.12-115,545.60-23,721.44

Finding the Fourth Proportional to 77,030.12, 115,545.60 and 23,721.44

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Solution

The fourth proportional to 77,030.12, 115,545.60 and 23,721.44 is: 35,582.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,030.12 : 115,545.60 = 23,721.44 : x
  2. Step 2: Convert to fraction form
    77,030.12/115,545.60 = 23,721.44/x
  3. Step 3: Cross multiply
    77,030.12x = 115,545.60 × 23,721.44
  4. Step 4: Simplify right side
    77,030.12x = 2,740,908,017.66
  5. Step 5: Solve for x
    x = 2,740,908,017.66/77,030.12
  6. Step 6: Final answer
    x = 35,582.29

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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.