Home / 90,585.20-125,009.92-50,300.66

Finding the Fourth Proportional to 90,585.20, 125,009.92 and 50,300.66

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Solution

The fourth proportional to 90,585.20, 125,009.92 and 50,300.66 is: 69,416.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,585.20 : 125,009.92 = 50,300.66 : x
  2. Step 2: Convert to fraction form
    90,585.20/125,009.92 = 50,300.66/x
  3. Step 3: Cross multiply
    90,585.20x = 125,009.92 × 50,300.66
  4. Step 4: Simplify right side
    90,585.20x = 6,288,081,482.55
  5. Step 5: Solve for x
    x = 6,288,081,482.55/90,585.20
  6. Step 6: Final answer
    x = 69,416.21

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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.