Home / 55,631.63-83,444.81-18,186.95

Finding the Fourth Proportional to 55,631.63, 83,444.81 and 18,186.95

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Solution

The fourth proportional to 55,631.63, 83,444.81 and 18,186.95 is: 27,279.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,631.63 : 83,444.81 = 18,186.95 : x
  2. Step 2: Convert to fraction form
    55,631.63/83,444.81 = 18,186.95/x
  3. Step 3: Cross multiply
    55,631.63x = 83,444.81 × 18,186.95
  4. Step 4: Simplify right side
    55,631.63x = 1,517,606,079.07
  5. Step 5: Solve for x
    x = 1,517,606,079.07/55,631.63
  6. Step 6: Final answer
    x = 27,279.56

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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.