Home / 107,867.84-148,824.63-62,536.78

Finding the Fourth Proportional to 107,867.84, 148,824.63 and 62,536.78

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Solution

The fourth proportional to 107,867.84, 148,824.63 and 62,536.78 is: 86,281.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,867.84 : 148,824.63 = 62,536.78 : x
  2. Step 2: Convert to fraction form
    107,867.84/148,824.63 = 62,536.78/x
  3. Step 3: Cross multiply
    107,867.84x = 148,824.63 × 62,536.78
  4. Step 4: Simplify right side
    107,867.84x = 9,307,012,772.83
  5. Step 5: Solve for x
    x = 9,307,012,772.83/107,867.84
  6. Step 6: Final answer
    x = 86,281.63

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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.