Home / 86,331.93-119,120.73-50,515.25

Finding the Fourth Proportional to 86,331.93, 119,120.73 and 50,515.25

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Solution

The fourth proportional to 86,331.93, 119,120.73 and 50,515.25 is: 69,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,331.93 : 119,120.73 = 50,515.25 : x
  2. Step 2: Convert to fraction form
    86,331.93/119,120.73 = 50,515.25/x
  3. Step 3: Cross multiply
    86,331.93x = 119,120.73 × 50,515.25
  4. Step 4: Simplify right side
    86,331.93x = 6,017,412,671.10
  5. Step 5: Solve for x
    x = 6,017,412,671.10/86,331.93
  6. Step 6: Final answer
    x = 69,700.90

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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.