Home / 86,076.10-129,114.24-26,912.08

Finding the Fourth Proportional to 86,076.10, 129,114.24 and 26,912.08

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Solution

The fourth proportional to 86,076.10, 129,114.24 and 26,912.08 is: 40,368.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,076.10 : 129,114.24 = 26,912.08 : x
  2. Step 2: Convert to fraction form
    86,076.10/129,114.24 = 26,912.08/x
  3. Step 3: Cross multiply
    86,076.10x = 129,114.24 × 26,912.08
  4. Step 4: Simplify right side
    86,076.10x = 3,474,732,756.02
  5. Step 5: Solve for x
    x = 3,474,732,756.02/86,076.10
  6. Step 6: Final answer
    x = 40,368.15

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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.