Home / 77,901.82-107,378.54-60,876.46

Finding the Fourth Proportional to 77,901.82, 107,378.54 and 60,876.46

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Solution

The fourth proportional to 77,901.82, 107,378.54 and 60,876.46 is: 83,911.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,901.82 : 107,378.54 = 60,876.46 : x
  2. Step 2: Convert to fraction form
    77,901.82/107,378.54 = 60,876.46/x
  3. Step 3: Cross multiply
    77,901.82x = 107,378.54 × 60,876.46
  4. Step 4: Simplify right side
    77,901.82x = 6,536,825,395.17
  5. Step 5: Solve for x
    x = 6,536,825,395.17/77,901.82
  6. Step 6: Final answer
    x = 83,911.07

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1.5x scale

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.