Home / 53,547.98-80,447.07-31,376.66

Finding the Fourth Proportional to 53,547.98, 80,447.07 and 31,376.66

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Solution

The fourth proportional to 53,547.98, 80,447.07 and 31,376.66 is: 47,138.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,547.98 : 80,447.07 = 31,376.66 : x
  2. Step 2: Convert to fraction form
    53,547.98/80,447.07 = 31,376.66/x
  3. Step 3: Cross multiply
    53,547.98x = 80,447.07 × 31,376.66
  4. Step 4: Simplify right side
    53,547.98x = 2,524,160,363.39
  5. Step 5: Solve for x
    x = 2,524,160,363.39/53,547.98
  6. Step 6: Final answer
    x = 47,138.29

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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.