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Finding the Fourth Proportional to 77,359.90, 115,953.45 and 44,095.90

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Solution

The fourth proportional to 77,359.90, 115,953.45 and 44,095.90 is: 66,094.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,359.90 : 115,953.45 = 44,095.90 : x
  2. Step 2: Convert to fraction form
    77,359.90/115,953.45 = 44,095.90/x
  3. Step 3: Cross multiply
    77,359.90x = 115,953.45 × 44,095.90
  4. Step 4: Simplify right side
    77,359.90x = 5,113,071,735.86
  5. Step 5: Solve for x
    x = 5,113,071,735.86/77,359.90
  6. Step 6: Final answer
    x = 66,094.60

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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.