Home / 77,276.13-106,624.67-45,433.41

Finding the Fourth Proportional to 77,276.13, 106,624.67 and 45,433.41

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Solution

The fourth proportional to 77,276.13, 106,624.67 and 45,433.41 is: 62,688.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,276.13 : 106,624.67 = 45,433.41 : x
  2. Step 2: Convert to fraction form
    77,276.13/106,624.67 = 45,433.41/x
  3. Step 3: Cross multiply
    77,276.13x = 106,624.67 × 45,433.41
  4. Step 4: Simplify right side
    77,276.13x = 4,844,322,121.06
  5. Step 5: Solve for x
    x = 4,844,322,121.06/77,276.13
  6. Step 6: Final answer
    x = 62,688.47

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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.