Home / 57,156.01-78,878.13-34,494.64

Finding the Fourth Proportional to 57,156.01, 78,878.13 and 34,494.64

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Solution

The fourth proportional to 57,156.01, 78,878.13 and 34,494.64 is: 47,604.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,156.01 : 78,878.13 = 34,494.64 : x
  2. Step 2: Convert to fraction form
    57,156.01/78,878.13 = 34,494.64/x
  3. Step 3: Cross multiply
    57,156.01x = 78,878.13 × 34,494.64
  4. Step 4: Simplify right side
    57,156.01x = 2,720,872,698.22
  5. Step 5: Solve for x
    x = 2,720,872,698.22/57,156.01
  6. Step 6: Final answer
    x = 47,604.31

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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.