Home / 77,105.06-106,465.29-59,171.66

Finding the Fourth Proportional to 77,105.06, 106,465.29 and 59,171.66

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Solution

The fourth proportional to 77,105.06, 106,465.29 and 59,171.66 is: 81,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,105.06 : 106,465.29 = 59,171.66 : x
  2. Step 2: Convert to fraction form
    77,105.06/106,465.29 = 59,171.66/x
  3. Step 3: Cross multiply
    77,105.06x = 106,465.29 × 59,171.66
  4. Step 4: Simplify right side
    77,105.06x = 6,299,727,941.68
  5. Step 5: Solve for x
    x = 6,299,727,941.68/77,105.06
  6. Step 6: Final answer
    x = 81,703.17

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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.