Home / 90,667.24-125,084.94-52,419.74

Finding the Fourth Proportional to 90,667.24, 125,084.94 and 52,419.74

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Solution

The fourth proportional to 90,667.24, 125,084.94 and 52,419.74 is: 72,318.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,667.24 : 125,084.94 = 52,419.74 : x
  2. Step 2: Convert to fraction form
    90,667.24/125,084.94 = 52,419.74/x
  3. Step 3: Cross multiply
    90,667.24x = 125,084.94 × 52,419.74
  4. Step 4: Simplify right side
    90,667.24x = 6,556,920,032.72
  5. Step 5: Solve for x
    x = 6,556,920,032.72/90,667.24
  6. Step 6: Final answer
    x = 72,318.51

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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.