Home / 56,211.66-77,578.02-34,700.09

Finding the Fourth Proportional to 56,211.66, 77,578.02 and 34,700.09

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Solution

The fourth proportional to 56,211.66, 77,578.02 and 34,700.09 is: 47,889.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,211.66 : 77,578.02 = 34,700.09 : x
  2. Step 2: Convert to fraction form
    56,211.66/77,578.02 = 34,700.09/x
  3. Step 3: Cross multiply
    56,211.66x = 77,578.02 × 34,700.09
  4. Step 4: Simplify right side
    56,211.66x = 2,691,963,888.13
  5. Step 5: Solve for x
    x = 2,691,963,888.13/56,211.66
  6. Step 6: Final answer
    x = 47,889.78

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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.