Home / 55,895.49-77,135.40-31,701.06

Finding the Fourth Proportional to 55,895.49, 77,135.40 and 31,701.06

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Solution

The fourth proportional to 55,895.49, 77,135.40 and 31,701.06 is: 43,747.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,895.49 : 77,135.40 = 31,701.06 : x
  2. Step 2: Convert to fraction form
    55,895.49/77,135.40 = 31,701.06/x
  3. Step 3: Cross multiply
    55,895.49x = 77,135.40 × 31,701.06
  4. Step 4: Simplify right side
    55,895.49x = 2,445,273,943.52
  5. Step 5: Solve for x
    x = 2,445,273,943.52/55,895.49
  6. Step 6: Final answer
    x = 43,747.25

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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.