Home / 86,448.05-129,672.06-23,268.30

Finding the Fourth Proportional to 86,448.05, 129,672.06 and 23,268.30

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Solution

The fourth proportional to 86,448.05, 129,672.06 and 23,268.30 is: 34,902.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,448.05 : 129,672.06 = 23,268.30 : x
  2. Step 2: Convert to fraction form
    86,448.05/129,672.06 = 23,268.30/x
  3. Step 3: Cross multiply
    86,448.05x = 129,672.06 × 23,268.30
  4. Step 4: Simplify right side
    86,448.05x = 3,017,248,393.70
  5. Step 5: Solve for x
    x = 3,017,248,393.70/86,448.05
  6. Step 6: Final answer
    x = 34,902.45

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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.