Home / 90,255.20-124,584.89-52,529.45

Finding the Fourth Proportional to 90,255.20, 124,584.89 and 52,529.45

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Solution

The fourth proportional to 90,255.20, 124,584.89 and 52,529.45 is: 72,509.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,255.20 : 124,584.89 = 52,529.45 : x
  2. Step 2: Convert to fraction form
    90,255.20/124,584.89 = 52,529.45/x
  3. Step 3: Cross multiply
    90,255.20x = 124,584.89 × 52,529.45
  4. Step 4: Simplify right side
    90,255.20x = 6,544,374,864.44
  5. Step 5: Solve for x
    x = 6,544,374,864.44/90,255.20
  6. Step 6: Final answer
    x = 72,509.68

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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.