Home / 91,032.74-125,629.42-50,746.78

Finding the Fourth Proportional to 91,032.74, 125,629.42 and 50,746.78

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Solution

The fourth proportional to 91,032.74, 125,629.42 and 50,746.78 is: 70,032.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,032.74 : 125,629.42 = 50,746.78 : x
  2. Step 2: Convert to fraction form
    91,032.74/125,629.42 = 50,746.78/x
  3. Step 3: Cross multiply
    91,032.74x = 125,629.42 × 50,746.78
  4. Step 4: Simplify right side
    91,032.74x = 6,375,288,538.27
  5. Step 5: Solve for x
    x = 6,375,288,538.27/91,032.74
  6. Step 6: Final answer
    x = 70,032.92

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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.