Home / 86,097.83-129,152.22-22,916.92

Finding the Fourth Proportional to 86,097.83, 129,152.22 and 22,916.92

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Solution

The fourth proportional to 86,097.83, 129,152.22 and 22,916.92 is: 34,376.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,097.83 : 129,152.22 = 22,916.92 : x
  2. Step 2: Convert to fraction form
    86,097.83/129,152.22 = 22,916.92/x
  3. Step 3: Cross multiply
    86,097.83x = 129,152.22 × 22,916.92
  4. Step 4: Simplify right side
    86,097.83x = 2,959,770,978.98
  5. Step 5: Solve for x
    x = 2,959,770,978.98/86,097.83
  6. Step 6: Final answer
    x = 34,376.84

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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.