Home / 90,895.20-125,402.91-52,633.86

Finding the Fourth Proportional to 90,895.20, 125,402.91 and 52,633.86

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Solution

The fourth proportional to 90,895.20, 125,402.91 and 52,633.86 is: 72,615.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,895.20 : 125,402.91 = 52,633.86 : x
  2. Step 2: Convert to fraction form
    90,895.20/125,402.91 = 52,633.86/x
  3. Step 3: Cross multiply
    90,895.20x = 125,402.91 × 52,633.86
  4. Step 4: Simplify right side
    90,895.20x = 6,600,439,208.53
  5. Step 5: Solve for x
    x = 6,600,439,208.53/90,895.20
  6. Step 6: Final answer
    x = 72,615.93

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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.