Home / 77,282.14-115,966.28-41,742.74

Finding the Fourth Proportional to 77,282.14, 115,966.28 and 41,742.74

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Solution

The fourth proportional to 77,282.14, 115,966.28 and 41,742.74 is: 62,637.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,282.14 : 115,966.28 = 41,742.74 : x
  2. Step 2: Convert to fraction form
    77,282.14/115,966.28 = 41,742.74/x
  3. Step 3: Cross multiply
    77,282.14x = 115,966.28 × 41,742.74
  4. Step 4: Simplify right side
    77,282.14x = 4,840,750,274.81
  5. Step 5: Solve for x
    x = 4,840,750,274.81/77,282.14
  6. Step 6: Final answer
    x = 62,637.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.