Home / 55,059.68-75,979.82-31,186.55

Finding the Fourth Proportional to 55,059.68, 75,979.82 and 31,186.55

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Solution

The fourth proportional to 55,059.68, 75,979.82 and 31,186.55 is: 43,036.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,059.68 : 75,979.82 = 31,186.55 : x
  2. Step 2: Convert to fraction form
    55,059.68/75,979.82 = 31,186.55/x
  3. Step 3: Cross multiply
    55,059.68x = 75,979.82 × 31,186.55
  4. Step 4: Simplify right side
    55,059.68x = 2,369,547,919.59
  5. Step 5: Solve for x
    x = 2,369,547,919.59/55,059.68
  6. Step 6: Final answer
    x = 43,036.00

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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.