Home / 75,547.96-113,325.98-19,388.55

Finding the Fourth Proportional to 75,547.96, 113,325.98 and 19,388.55

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Solution

The fourth proportional to 75,547.96, 113,325.98 and 19,388.55 is: 29,083.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,547.96 : 113,325.98 = 19,388.55 : x
  2. Step 2: Convert to fraction form
    75,547.96/113,325.98 = 19,388.55/x
  3. Step 3: Cross multiply
    75,547.96x = 113,325.98 × 19,388.55
  4. Step 4: Simplify right side
    75,547.96x = 2,197,226,478.00
  5. Step 5: Solve for x
    x = 2,197,226,478.00/75,547.96
  6. Step 6: Final answer
    x = 29,083.86

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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.