Home / 90,956.68-125,520.37-50,671.87

Finding the Fourth Proportional to 90,956.68, 125,520.37 and 50,671.87

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Solution

The fourth proportional to 90,956.68, 125,520.37 and 50,671.87 is: 69,927.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,956.68 : 125,520.37 = 50,671.87 : x
  2. Step 2: Convert to fraction form
    90,956.68/125,520.37 = 50,671.87/x
  3. Step 3: Cross multiply
    90,956.68x = 125,520.37 × 50,671.87
  4. Step 4: Simplify right side
    90,956.68x = 6,360,351,430.51
  5. Step 5: Solve for x
    x = 6,360,351,430.51/90,956.68
  6. Step 6: Final answer
    x = 69,927.26

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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.