Home / 86,297.27-129,460.67-39,554.15

Finding the Fourth Proportional to 86,297.27, 129,460.67 and 39,554.15

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Solution

The fourth proportional to 86,297.27, 129,460.67 and 39,554.15 is: 59,337.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,297.27 : 129,460.67 = 39,554.15 : x
  2. Step 2: Convert to fraction form
    86,297.27/129,460.67 = 39,554.15/x
  3. Step 3: Cross multiply
    86,297.27x = 129,460.67 × 39,554.15
  4. Step 4: Simplify right side
    86,297.27x = 5,120,706,562.51
  5. Step 5: Solve for x
    x = 5,120,706,562.51/86,297.27
  6. Step 6: Final answer
    x = 59,337.99

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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.