Home / 53,165.61-73,365.78-29,291.76

Finding the Fourth Proportional to 53,165.61, 73,365.78 and 29,291.76

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Solution

The fourth proportional to 53,165.61, 73,365.78 and 29,291.76 is: 40,421.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,165.61 : 73,365.78 = 29,291.76 : x
  2. Step 2: Convert to fraction form
    53,165.61/73,365.78 = 29,291.76/x
  3. Step 3: Cross multiply
    53,165.61x = 73,365.78 × 29,291.76
  4. Step 4: Simplify right side
    53,165.61x = 2,149,012,819.97
  5. Step 5: Solve for x
    x = 2,149,012,819.97/53,165.61
  6. Step 6: Final answer
    x = 40,421.11

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1.5x scale

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.