Home / 91,255.32-125,931.02-50,969.66

Finding the Fourth Proportional to 91,255.32, 125,931.02 and 50,969.66

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Solution

The fourth proportional to 91,255.32, 125,931.02 and 50,969.66 is: 70,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,255.32 : 125,931.02 = 50,969.66 : x
  2. Step 2: Convert to fraction form
    91,255.32/125,931.02 = 50,969.66/x
  3. Step 3: Cross multiply
    91,255.32x = 125,931.02 × 50,969.66
  4. Step 4: Simplify right side
    91,255.32x = 6,418,661,523.97
  5. Step 5: Solve for x
    x = 6,418,661,523.97/91,255.32
  6. Step 6: Final answer
    x = 70,337.40

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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.