Home / 57,151.40-78,870.05-34,204.85

Finding the Fourth Proportional to 57,151.40, 78,870.05 and 34,204.85

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Solution

The fourth proportional to 57,151.40, 78,870.05 and 34,204.85 is: 47,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,151.40 : 78,870.05 = 34,204.85 : x
  2. Step 2: Convert to fraction form
    57,151.40/78,870.05 = 34,204.85/x
  3. Step 3: Cross multiply
    57,151.40x = 78,870.05 × 34,204.85
  4. Step 4: Simplify right side
    57,151.40x = 2,697,737,664.37
  5. Step 5: Solve for x
    x = 2,697,737,664.37/57,151.40
  6. Step 6: Final answer
    x = 47,203.36

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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.