Home / 90,601.95-125,032.39-50,319.49

Finding the Fourth Proportional to 90,601.95, 125,032.39 and 50,319.49

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Solution

The fourth proportional to 90,601.95, 125,032.39 and 50,319.49 is: 69,441.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,601.95 : 125,032.39 = 50,319.49 : x
  2. Step 2: Convert to fraction form
    90,601.95/125,032.39 = 50,319.49/x
  3. Step 3: Cross multiply
    90,601.95x = 125,032.39 × 50,319.49
  4. Step 4: Simplify right side
    90,601.95x = 6,291,566,098.28
  5. Step 5: Solve for x
    x = 6,291,566,098.28/90,601.95
  6. Step 6: Final answer
    x = 69,441.84

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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.