Home / 57,001.80-78,645.06-33,123.90

Finding the Fourth Proportional to 57,001.80, 78,645.06 and 33,123.90

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Solution

The fourth proportional to 57,001.80, 78,645.06 and 33,123.90 is: 45,700.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,001.80 : 78,645.06 = 33,123.90 : x
  2. Step 2: Convert to fraction form
    57,001.80/78,645.06 = 33,123.90/x
  3. Step 3: Cross multiply
    57,001.80x = 78,645.06 × 33,123.90
  4. Step 4: Simplify right side
    57,001.80x = 2,605,031,102.93
  5. Step 5: Solve for x
    x = 2,605,031,102.93/57,001.80
  6. Step 6: Final answer
    x = 45,700.86

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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.