Home / 90,859.20-125,380.80-52,612.08

Finding the Fourth Proportional to 90,859.20, 125,380.80 and 52,612.08

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Solution

The fourth proportional to 90,859.20, 125,380.80 and 52,612.08 is: 72,601.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,859.20 : 125,380.80 = 52,612.08 : x
  2. Step 2: Convert to fraction form
    90,859.20/125,380.80 = 52,612.08/x
  3. Step 3: Cross multiply
    90,859.20x = 125,380.80 × 52,612.08
  4. Step 4: Simplify right side
    90,859.20x = 6,596,544,680.06
  5. Step 5: Solve for x
    x = 6,596,544,680.06/90,859.20
  6. Step 6: Final answer
    x = 72,601.84

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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.