Home / 81,652.08-112,681.62-45,843.06

Finding the Fourth Proportional to 81,652.08, 112,681.62 and 45,843.06

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Solution

The fourth proportional to 81,652.08, 112,681.62 and 45,843.06 is: 63,264.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,652.08 : 112,681.62 = 45,843.06 : x
  2. Step 2: Convert to fraction form
    81,652.08/112,681.62 = 45,843.06/x
  3. Step 3: Cross multiply
    81,652.08x = 112,681.62 × 45,843.06
  4. Step 4: Simplify right side
    81,652.08x = 5,165,670,266.56
  5. Step 5: Solve for x
    x = 5,165,670,266.56/81,652.08
  6. Step 6: Final answer
    x = 63,264.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.