Home / 69,775.12-96,291.68-42,933.34

Finding the Fourth Proportional to 69,775.12, 96,291.68 and 42,933.34

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Solution

The fourth proportional to 69,775.12, 96,291.68 and 42,933.34 is: 59,249.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,775.12 : 96,291.68 = 42,933.34 : x
  2. Step 2: Convert to fraction form
    69,775.12/96,291.68 = 42,933.34/x
  3. Step 3: Cross multiply
    69,775.12x = 96,291.68 × 42,933.34
  4. Step 4: Simplify right side
    69,775.12x = 4,134,123,436.61
  5. Step 5: Solve for x
    x = 4,134,123,436.61/69,775.12
  6. Step 6: Final answer
    x = 59,249.25

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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.