Home / 86,747.58-130,122.27-30,577.22

Finding the Fourth Proportional to 86,747.58, 130,122.27 and 30,577.22

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Solution

The fourth proportional to 86,747.58, 130,122.27 and 30,577.22 is: 45,866.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,747.58 : 130,122.27 = 30,577.22 : x
  2. Step 2: Convert to fraction form
    86,747.58/130,122.27 = 30,577.22/x
  3. Step 3: Cross multiply
    86,747.58x = 130,122.27 × 30,577.22
  4. Step 4: Simplify right side
    86,747.58x = 3,978,776,626.08
  5. Step 5: Solve for x
    x = 3,978,776,626.08/86,747.58
  6. Step 6: Final answer
    x = 45,866.14

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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.