Home / 82,172.08-123,276.56-26,015.55

Finding the Fourth Proportional to 82,172.08, 123,276.56 and 26,015.55

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Solution

The fourth proportional to 82,172.08, 123,276.56 and 26,015.55 is: 39,029.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,172.08 : 123,276.56 = 26,015.55 : x
  2. Step 2: Convert to fraction form
    82,172.08/123,276.56 = 26,015.55/x
  3. Step 3: Cross multiply
    82,172.08x = 123,276.56 × 26,015.55
  4. Step 4: Simplify right side
    82,172.08x = 3,207,107,510.51
  5. Step 5: Solve for x
    x = 3,207,107,510.51/82,172.08
  6. Step 6: Final answer
    x = 39,029.16

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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.