Home / 70,119.95-96,765.89-38,288.85

Finding the Fourth Proportional to 70,119.95, 96,765.89 and 38,288.85

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Solution

The fourth proportional to 70,119.95, 96,765.89 and 38,288.85 is: 52,838.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,119.95 : 96,765.89 = 38,288.85 : x
  2. Step 2: Convert to fraction form
    70,119.95/96,765.89 = 38,288.85/x
  3. Step 3: Cross multiply
    70,119.95x = 96,765.89 × 38,288.85
  4. Step 4: Simplify right side
    70,119.95x = 3,705,054,647.33
  5. Step 5: Solve for x
    x = 3,705,054,647.33/70,119.95
  6. Step 6: Final answer
    x = 52,838.81

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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.