Home / 86,766.10-130,181.55-34,212.22

Finding the Fourth Proportional to 86,766.10, 130,181.55 and 34,212.22

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Solution

The fourth proportional to 86,766.10, 130,181.55 and 34,212.22 is: 51,331.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,766.10 : 130,181.55 = 34,212.22 : x
  2. Step 2: Convert to fraction form
    86,766.10/130,181.55 = 34,212.22/x
  3. Step 3: Cross multiply
    86,766.10x = 130,181.55 × 34,212.22
  4. Step 4: Simplify right side
    86,766.10x = 4,453,799,828.54
  5. Step 5: Solve for x
    x = 4,453,799,828.54/86,766.10
  6. Step 6: Final answer
    x = 51,331.11

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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.