Home / 90,224.00-124,512.06-51,980.55

Finding the Fourth Proportional to 90,224.00, 124,512.06 and 51,980.55

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Solution

The fourth proportional to 90,224.00, 124,512.06 and 51,980.55 is: 71,734.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,224.00 : 124,512.06 = 51,980.55 : x
  2. Step 2: Convert to fraction form
    90,224.00/124,512.06 = 51,980.55/x
  3. Step 3: Cross multiply
    90,224.00x = 124,512.06 × 51,980.55
  4. Step 4: Simplify right side
    90,224.00x = 6,472,205,117.34
  5. Step 5: Solve for x
    x = 6,472,205,117.34/90,224.00
  6. Step 6: Final answer
    x = 71,734.85

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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.