Home / 77,276.70-106,645.85-43,283.19

Finding the Fourth Proportional to 77,276.70, 106,645.85 and 43,283.19

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Solution

The fourth proportional to 77,276.70, 106,645.85 and 43,283.19 is: 59,733.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,276.70 : 106,645.85 = 43,283.19 : x
  2. Step 2: Convert to fraction form
    77,276.70/106,645.85 = 43,283.19/x
  3. Step 3: Cross multiply
    77,276.70x = 106,645.85 × 43,283.19
  4. Step 4: Simplify right side
    77,276.70x = 4,615,972,934.08
  5. Step 5: Solve for x
    x = 4,615,972,934.08/77,276.70
  6. Step 6: Final answer
    x = 59,733.05

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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.