Home / 88,191.39-121,704.35-47,904.83

Finding the Fourth Proportional to 88,191.39, 121,704.35 and 47,904.83

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Solution

The fourth proportional to 88,191.39, 121,704.35 and 47,904.83 is: 66,108.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,191.39 : 121,704.35 = 47,904.83 : x
  2. Step 2: Convert to fraction form
    88,191.39/121,704.35 = 47,904.83/x
  3. Step 3: Cross multiply
    88,191.39x = 121,704.35 × 47,904.83
  4. Step 4: Simplify right side
    88,191.39x = 5,830,226,197.01
  5. Step 5: Solve for x
    x = 5,830,226,197.01/88,191.39
  6. Step 6: Final answer
    x = 66,108.79

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1.5x scale

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.