Home / 53,710.73-74,104.08-31,041.47

Finding the Fourth Proportional to 53,710.73, 74,104.08 and 31,041.47

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Solution

The fourth proportional to 53,710.73, 74,104.08 and 31,041.47 is: 42,827.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,710.73 : 74,104.08 = 31,041.47 : x
  2. Step 2: Convert to fraction form
    53,710.73/74,104.08 = 31,041.47/x
  3. Step 3: Cross multiply
    53,710.73x = 74,104.08 × 31,041.47
  4. Step 4: Simplify right side
    53,710.73x = 2,300,299,576.20
  5. Step 5: Solve for x
    x = 2,300,299,576.20/53,710.73
  6. Step 6: Final answer
    x = 42,827.56

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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.