Home / 74,551.96-111,680.34-48,275.20

Finding the Fourth Proportional to 74,551.96, 111,680.34 and 48,275.20

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Solution

The fourth proportional to 74,551.96, 111,680.34 and 48,275.20 is: 72,317.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,551.96 : 111,680.34 = 48,275.20 : x
  2. Step 2: Convert to fraction form
    74,551.96/111,680.34 = 48,275.20/x
  3. Step 3: Cross multiply
    74,551.96x = 111,680.34 × 48,275.20
  4. Step 4: Simplify right side
    74,551.96x = 5,391,390,749.57
  5. Step 5: Solve for x
    x = 5,391,390,749.57/74,551.96
  6. Step 6: Final answer
    x = 72,317.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.