Home / 57,155.01-78,876.75-34,493.64

Finding the Fourth Proportional to 57,155.01, 78,876.75 and 34,493.64

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Solution

The fourth proportional to 57,155.01, 78,876.75 and 34,493.64 is: 47,602.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,155.01 : 78,876.75 = 34,493.64 : x
  2. Step 2: Convert to fraction form
    57,155.01/78,876.75 = 34,493.64/x
  3. Step 3: Cross multiply
    57,155.01x = 78,876.75 × 34,493.64
  4. Step 4: Simplify right side
    57,155.01x = 2,720,746,218.87
  5. Step 5: Solve for x
    x = 2,720,746,218.87/57,155.01
  6. Step 6: Final answer
    x = 47,602.93

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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.