Home / 90,238.76-124,532.44-51,995.35

Finding the Fourth Proportional to 90,238.76, 124,532.44 and 51,995.35

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Solution

The fourth proportional to 90,238.76, 124,532.44 and 51,995.35 is: 71,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,238.76 : 124,532.44 = 51,995.35 : x
  2. Step 2: Convert to fraction form
    90,238.76/124,532.44 = 51,995.35/x
  3. Step 3: Cross multiply
    90,238.76x = 124,532.44 × 51,995.35
  4. Step 4: Simplify right side
    90,238.76x = 6,475,107,829.83
  5. Step 5: Solve for x
    x = 6,475,107,829.83/90,238.76
  6. Step 6: Final answer
    x = 71,755.28

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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.