Home / 86,145.04-129,100.11-41,683.06

Finding the Fourth Proportional to 86,145.04, 129,100.11 and 41,683.06

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Solution

The fourth proportional to 86,145.04, 129,100.11 and 41,683.06 is: 62,467.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,145.04 : 129,100.11 = 41,683.06 : x
  2. Step 2: Convert to fraction form
    86,145.04/129,100.11 = 41,683.06/x
  3. Step 3: Cross multiply
    86,145.04x = 129,100.11 × 41,683.06
  4. Step 4: Simplify right side
    86,145.04x = 5,381,287,631.14
  5. Step 5: Solve for x
    x = 5,381,287,631.14/86,145.04
  6. Step 6: Final answer
    x = 62,467.76

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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.