Home / 86,124.54-129,172.23-23,795.04

Finding the Fourth Proportional to 86,124.54, 129,172.23 and 23,795.04

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Solution

The fourth proportional to 86,124.54, 129,172.23 and 23,795.04 is: 35,688.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,124.54 : 129,172.23 = 23,795.04 : x
  2. Step 2: Convert to fraction form
    86,124.54/129,172.23 = 23,795.04/x
  3. Step 3: Cross multiply
    86,124.54x = 129,172.23 × 23,795.04
  4. Step 4: Simplify right side
    86,124.54x = 3,073,658,379.74
  5. Step 5: Solve for x
    x = 3,073,658,379.74/86,124.54
  6. Step 6: Final answer
    x = 35,688.53

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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.