Home / 53,308.71-79,789.45-39,263.20

Finding the Fourth Proportional to 53,308.71, 79,789.45 and 39,263.20

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Solution

The fourth proportional to 53,308.71, 79,789.45 and 39,263.20 is: 58,766.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,308.71 : 79,789.45 = 39,263.20 : x
  2. Step 2: Convert to fraction form
    53,308.71/79,789.45 = 39,263.20/x
  3. Step 3: Cross multiply
    53,308.71x = 79,789.45 × 39,263.20
  4. Step 4: Simplify right side
    53,308.71x = 3,132,789,133.24
  5. Step 5: Solve for x
    x = 3,132,789,133.24/53,308.71
  6. Step 6: Final answer
    x = 58,766.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.