Home / 86,605.36-119,507.48-50,788.78

Finding the Fourth Proportional to 86,605.36, 119,507.48 and 50,788.78

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Solution

The fourth proportional to 86,605.36, 119,507.48 and 50,788.78 is: 70,083.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,605.36 : 119,507.48 = 50,788.78 : x
  2. Step 2: Convert to fraction form
    86,605.36/119,507.48 = 50,788.78/x
  3. Step 3: Cross multiply
    86,605.36x = 119,507.48 × 50,788.78
  4. Step 4: Simplify right side
    86,605.36x = 6,069,638,856.13
  5. Step 5: Solve for x
    x = 6,069,638,856.13/86,605.36
  6. Step 6: Final answer
    x = 70,083.87

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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.