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Finding the Fourth Proportional to 77,095.95, 106,405.56 and 44,849.28

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Solution

The fourth proportional to 77,095.95, 106,405.56 and 44,849.28 is: 61,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,095.95 : 106,405.56 = 44,849.28 : x
  2. Step 2: Convert to fraction form
    77,095.95/106,405.56 = 44,849.28/x
  3. Step 3: Cross multiply
    77,095.95x = 106,405.56 × 44,849.28
  4. Step 4: Simplify right side
    77,095.95x = 4,772,212,754.00
  5. Step 5: Solve for x
    x = 4,772,212,754.00/77,095.95
  6. Step 6: Final answer
    x = 61,899.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.