Home / 53,782.18-74,221.92-29,909.25

Finding the Fourth Proportional to 53,782.18, 74,221.92 and 29,909.25

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Solution

The fourth proportional to 53,782.18, 74,221.92 and 29,909.25 is: 41,276.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,782.18 : 74,221.92 = 29,909.25 : x
  2. Step 2: Convert to fraction form
    53,782.18/74,221.92 = 29,909.25/x
  3. Step 3: Cross multiply
    53,782.18x = 74,221.92 × 29,909.25
  4. Step 4: Simplify right side
    53,782.18x = 2,219,921,960.76
  5. Step 5: Solve for x
    x = 2,219,921,960.76/53,782.18
  6. Step 6: Final answer
    x = 41,276.16

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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.