Home / 54,071.63-74,628.52-31,417.80

Finding the Fourth Proportional to 54,071.63, 74,628.52 and 31,417.80

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Solution

The fourth proportional to 54,071.63, 74,628.52 and 31,417.80 is: 43,362.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,071.63 : 74,628.52 = 31,417.80 : x
  2. Step 2: Convert to fraction form
    54,071.63/74,628.52 = 31,417.80/x
  3. Step 3: Cross multiply
    54,071.63x = 74,628.52 × 31,417.80
  4. Step 4: Simplify right side
    54,071.63x = 2,344,663,915.66
  5. Step 5: Solve for x
    x = 2,344,663,915.66/54,071.63
  6. Step 6: Final answer
    x = 43,362.18

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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.