Home / 90,722.64-125,197.02-50,440.08

Finding the Fourth Proportional to 90,722.64, 125,197.02 and 50,440.08

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Solution

The fourth proportional to 90,722.64, 125,197.02 and 50,440.08 is: 69,607.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,722.64 : 125,197.02 = 50,440.08 : x
  2. Step 2: Convert to fraction form
    90,722.64/125,197.02 = 50,440.08/x
  3. Step 3: Cross multiply
    90,722.64x = 125,197.02 × 50,440.08
  4. Step 4: Simplify right side
    90,722.64x = 6,314,947,704.56
  5. Step 5: Solve for x
    x = 6,314,947,704.56/90,722.64
  6. Step 6: Final answer
    x = 69,607.19

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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.