Home / 57,157.74-78,916.18-35,680.19

Finding the Fourth Proportional to 57,157.74, 78,916.18 and 35,680.19

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Solution

The fourth proportional to 57,157.74, 78,916.18 and 35,680.19 is: 49,262.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,157.74 : 78,916.18 = 35,680.19 : x
  2. Step 2: Convert to fraction form
    57,157.74/78,916.18 = 35,680.19/x
  3. Step 3: Cross multiply
    57,157.74x = 78,916.18 × 35,680.19
  4. Step 4: Simplify right side
    57,157.74x = 2,815,743,911.34
  5. Step 5: Solve for x
    x = 2,815,743,911.34/57,157.74
  6. Step 6: Final answer
    x = 49,262.69

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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.