Home / 58,371.12-87,547.46-18,919.02

Finding the Fourth Proportional to 58,371.12, 87,547.46 and 18,919.02

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Solution

The fourth proportional to 58,371.12, 87,547.46 and 18,919.02 is: 28,375.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,371.12 : 87,547.46 = 18,919.02 : x
  2. Step 2: Convert to fraction form
    58,371.12/87,547.46 = 18,919.02/x
  3. Step 3: Cross multiply
    58,371.12x = 87,547.46 × 18,919.02
  4. Step 4: Simplify right side
    58,371.12x = 1,656,312,052.09
  5. Step 5: Solve for x
    x = 1,656,312,052.09/58,371.12
  6. Step 6: Final answer
    x = 28,375.54

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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.