Home / 88,191.52-121,723.55-54,229.23

Finding the Fourth Proportional to 88,191.52, 121,723.55 and 54,229.23

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Solution

The fourth proportional to 88,191.52, 121,723.55 and 54,229.23 is: 74,848.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,191.52 : 121,723.55 = 54,229.23 : x
  2. Step 2: Convert to fraction form
    88,191.52/121,723.55 = 54,229.23/x
  3. Step 3: Cross multiply
    88,191.52x = 121,723.55 × 54,229.23
  4. Step 4: Simplify right side
    88,191.52x = 6,600,973,509.60
  5. Step 5: Solve for x
    x = 6,600,973,509.60/88,191.52
  6. Step 6: Final answer
    x = 74,848.17

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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.