Home / 74,445.36-111,669.48-34,980.72

Finding the Fourth Proportional to 74,445.36, 111,669.48 and 34,980.72

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Solution

The fourth proportional to 74,445.36, 111,669.48 and 34,980.72 is: 52,471.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,445.36 : 111,669.48 = 34,980.72 : x
  2. Step 2: Convert to fraction form
    74,445.36/111,669.48 = 34,980.72/x
  3. Step 3: Cross multiply
    74,445.36x = 111,669.48 × 34,980.72
  4. Step 4: Simplify right side
    74,445.36x = 3,906,278,812.43
  5. Step 5: Solve for x
    x = 3,906,278,812.43/74,445.36
  6. Step 6: Final answer
    x = 52,471.76

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1.5x scale

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.