Home / 86,943.30-130,548.60-47,577.30

Finding the Fourth Proportional to 86,943.30, 130,548.60 and 47,577.30

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Solution

The fourth proportional to 86,943.30, 130,548.60 and 47,577.30 is: 71,439.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,943.30 : 130,548.60 = 47,577.30 : x
  2. Step 2: Convert to fraction form
    86,943.30/130,548.60 = 47,577.30/x
  3. Step 3: Cross multiply
    86,943.30x = 130,548.60 × 47,577.30
  4. Step 4: Simplify right side
    86,943.30x = 6,211,149,906.78
  5. Step 5: Solve for x
    x = 6,211,149,906.78/86,943.30
  6. Step 6: Final answer
    x = 71,439.09

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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.