Home / 77,014.18-106,275.76-43,015.89

Finding the Fourth Proportional to 77,014.18, 106,275.76 and 43,015.89

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Solution

The fourth proportional to 77,014.18, 106,275.76 and 43,015.89 is: 59,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,014.18 : 106,275.76 = 43,015.89 : x
  2. Step 2: Convert to fraction form
    77,014.18/106,275.76 = 43,015.89/x
  3. Step 3: Cross multiply
    77,014.18x = 106,275.76 × 43,015.89
  4. Step 4: Simplify right side
    77,014.18x = 4,571,546,934.79
  5. Step 5: Solve for x
    x = 4,571,546,934.79/77,014.18
  6. Step 6: Final answer
    x = 59,359.81

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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.