Home / 91,255.68-125,929.08-50,969.25

Finding the Fourth Proportional to 91,255.68, 125,929.08 and 50,969.25

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Solution

The fourth proportional to 91,255.68, 125,929.08 and 50,969.25 is: 70,335.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,255.68 : 125,929.08 = 50,969.25 : x
  2. Step 2: Convert to fraction form
    91,255.68/125,929.08 = 50,969.25/x
  3. Step 3: Cross multiply
    91,255.68x = 125,929.08 × 50,969.25
  4. Step 4: Simplify right side
    91,255.68x = 6,418,510,760.79
  5. Step 5: Solve for x
    x = 6,418,510,760.79/91,255.68
  6. Step 6: Final answer
    x = 70,335.47

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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.