Home / 86,464.13-119,320.70-48,738.38

Finding the Fourth Proportional to 86,464.13, 119,320.70 and 48,738.38

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Solution

The fourth proportional to 86,464.13, 119,320.70 and 48,738.38 is: 67,259.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,464.13 : 119,320.70 = 48,738.38 : x
  2. Step 2: Convert to fraction form
    86,464.13/119,320.70 = 48,738.38/x
  3. Step 3: Cross multiply
    86,464.13x = 119,320.70 × 48,738.38
  4. Step 4: Simplify right side
    86,464.13x = 5,815,496,778.17
  5. Step 5: Solve for x
    x = 5,815,496,778.17/86,464.13
  6. Step 6: Final answer
    x = 67,259.07

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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.