Home / 55,886.45-83,840.04-18,449.13

Finding the Fourth Proportional to 55,886.45, 83,840.04 and 18,449.13

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Solution

The fourth proportional to 55,886.45, 83,840.04 and 18,449.13 is: 27,677.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,886.45 : 83,840.04 = 18,449.13 : x
  2. Step 2: Convert to fraction form
    55,886.45/83,840.04 = 18,449.13/x
  3. Step 3: Cross multiply
    55,886.45x = 83,840.04 × 18,449.13
  4. Step 4: Simplify right side
    55,886.45x = 1,546,775,797.17
  5. Step 5: Solve for x
    x = 1,546,775,797.17/55,886.45
  6. Step 6: Final answer
    x = 27,677.12

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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.