Home / 86,778.45-130,187.70-36,860.16

Finding the Fourth Proportional to 86,778.45, 130,187.70 and 36,860.16

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Solution

The fourth proportional to 86,778.45, 130,187.70 and 36,860.16 is: 55,298.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,778.45 : 130,187.70 = 36,860.16 : x
  2. Step 2: Convert to fraction form
    86,778.45/130,187.70 = 36,860.16/x
  3. Step 3: Cross multiply
    86,778.45x = 130,187.70 × 36,860.16
  4. Step 4: Simplify right side
    86,778.45x = 4,798,739,452.03
  5. Step 5: Solve for x
    x = 4,798,739,452.03/86,778.45
  6. Step 6: Final answer
    x = 55,298.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.