Home / 77,261.74-106,628-43,269.70

Finding the Fourth Proportional to 77,261.74, 106,628 and 43,269.70

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Solution

The fourth proportional to 77,261.74, 106,628 and 43,269.70 is: 59,715.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,261.74 : 106,628 = 43,269.70 : x
  2. Step 2: Convert to fraction form
    77,261.74/106,628 = 43,269.70/x
  3. Step 3: Cross multiply
    77,261.74x = 106,628 × 43,269.70
  4. Step 4: Simplify right side
    77,261.74x = 4,613,761,571.60
  5. Step 5: Solve for x
    x = 4,613,761,571.60/77,261.74
  6. Step 6: Final answer
    x = 59,715.99

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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.