Home / 75,147.16-103,773.33-48,336.21

Finding the Fourth Proportional to 75,147.16, 103,773.33 and 48,336.21

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Solution

The fourth proportional to 75,147.16, 103,773.33 and 48,336.21 is: 66,749.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,147.16 : 103,773.33 = 48,336.21 : x
  2. Step 2: Convert to fraction form
    75,147.16/103,773.33 = 48,336.21/x
  3. Step 3: Cross multiply
    75,147.16x = 103,773.33 × 48,336.21
  4. Step 4: Simplify right side
    75,147.16x = 5,016,009,471.28
  5. Step 5: Solve for x
    x = 5,016,009,471.28/75,147.16
  6. Step 6: Final answer
    x = 66,749.16

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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.