Home / 88,187.56-121,695.33-47,900.50

Finding the Fourth Proportional to 88,187.56, 121,695.33 and 47,900.50

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Solution

The fourth proportional to 88,187.56, 121,695.33 and 47,900.50 is: 66,100.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,187.56 : 121,695.33 = 47,900.50 : x
  2. Step 2: Convert to fraction form
    88,187.56/121,695.33 = 47,900.50/x
  3. Step 3: Cross multiply
    88,187.56x = 121,695.33 × 47,900.50
  4. Step 4: Simplify right side
    88,187.56x = 5,829,267,154.67
  5. Step 5: Solve for x
    x = 5,829,267,154.67/88,187.56
  6. Step 6: Final answer
    x = 66,100.79

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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.