Home / 88,087.93-121,560.72-47,800.66

Finding the Fourth Proportional to 88,087.93, 121,560.72 and 47,800.66

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Solution

The fourth proportional to 88,087.93, 121,560.72 and 47,800.66 is: 65,964.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,087.93 : 121,560.72 = 47,800.66 : x
  2. Step 2: Convert to fraction form
    88,087.93/121,560.72 = 47,800.66/x
  3. Step 3: Cross multiply
    88,087.93x = 121,560.72 × 47,800.66
  4. Step 4: Simplify right side
    88,087.93x = 5,810,682,646.08
  5. Step 5: Solve for x
    x = 5,810,682,646.08/88,087.93
  6. Step 6: Final answer
    x = 65,964.57

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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.