Home / 86,448.27-129,420.23-53,067.14

Finding the Fourth Proportional to 86,448.27, 129,420.23 and 53,067.14

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Solution

The fourth proportional to 86,448.27, 129,420.23 and 53,067.14 is: 79,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,448.27 : 129,420.23 = 53,067.14 : x
  2. Step 2: Convert to fraction form
    86,448.27/129,420.23 = 53,067.14/x
  3. Step 3: Cross multiply
    86,448.27x = 129,420.23 × 53,067.14
  4. Step 4: Simplify right side
    86,448.27x = 6,867,960,551.81
  5. Step 5: Solve for x
    x = 6,867,960,551.81/86,448.27
  6. Step 6: Final answer
    x = 79,445.90

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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.