Home / 90,718.66-125,196.03-50,433.10

Finding the Fourth Proportional to 90,718.66, 125,196.03 and 50,433.10

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Solution

The fourth proportional to 90,718.66, 125,196.03 and 50,433.10 is: 69,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,718.66 : 125,196.03 = 50,433.10 : x
  2. Step 2: Convert to fraction form
    90,718.66/125,196.03 = 50,433.10/x
  3. Step 3: Cross multiply
    90,718.66x = 125,196.03 × 50,433.10
  4. Step 4: Simplify right side
    90,718.66x = 6,314,023,851.69
  5. Step 5: Solve for x
    x = 6,314,023,851.69/90,718.66
  6. Step 6: Final answer
    x = 69,600.05

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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.