Home / 53,928.99-74,422.25-31,281.39

Finding the Fourth Proportional to 53,928.99, 74,422.25 and 31,281.39

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Solution

The fourth proportional to 53,928.99, 74,422.25 and 31,281.39 is: 43,168.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,928.99 : 74,422.25 = 31,281.39 : x
  2. Step 2: Convert to fraction form
    53,928.99/74,422.25 = 31,281.39/x
  3. Step 3: Cross multiply
    53,928.99x = 74,422.25 × 31,281.39
  4. Step 4: Simplify right side
    53,928.99x = 2,328,031,426.93
  5. Step 5: Solve for x
    x = 2,328,031,426.93/53,928.99
  6. Step 6: Final answer
    x = 43,168.46

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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.