Home / 57,158.74-78,917.56-35,681.19

Finding the Fourth Proportional to 57,158.74, 78,917.56 and 35,681.19

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Solution

The fourth proportional to 57,158.74, 78,917.56 and 35,681.19 is: 49,264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,158.74 : 78,917.56 = 35,681.19 : x
  2. Step 2: Convert to fraction form
    57,158.74/78,917.56 = 35,681.19/x
  3. Step 3: Cross multiply
    57,158.74x = 78,917.56 × 35,681.19
  4. Step 4: Simplify right side
    57,158.74x = 2,815,872,452.70
  5. Step 5: Solve for x
    x = 2,815,872,452.70/57,158.74
  6. Step 6: Final answer
    x = 49,264.07

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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.