Home / 88,044.80-121,559.82-62,607.56

Finding the Fourth Proportional to 88,044.80, 121,559.82 and 62,607.56

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Solution

The fourth proportional to 88,044.80, 121,559.82 and 62,607.56 is: 86,439.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,044.80 : 121,559.82 = 62,607.56 : x
  2. Step 2: Convert to fraction form
    88,044.80/121,559.82 = 62,607.56/x
  3. Step 3: Cross multiply
    88,044.80x = 121,559.82 × 62,607.56
  4. Step 4: Simplify right side
    88,044.80x = 7,610,563,724.24
  5. Step 5: Solve for x
    x = 7,610,563,724.24/88,044.80
  6. Step 6: Final answer
    x = 86,439.67

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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.