Home / 53,165.76-73,368.82-28,966.60

Finding the Fourth Proportional to 53,165.76, 73,368.82 and 28,966.60

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Solution

The fourth proportional to 53,165.76, 73,368.82 and 28,966.60 is: 39,973.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,165.76 : 73,368.82 = 28,966.60 : x
  2. Step 2: Convert to fraction form
    53,165.76/73,368.82 = 28,966.60/x
  3. Step 3: Cross multiply
    53,165.76x = 73,368.82 × 28,966.60
  4. Step 4: Simplify right side
    53,165.76x = 2,125,245,261.41
  5. Step 5: Solve for x
    x = 2,125,245,261.41/53,165.76
  6. Step 6: Final answer
    x = 39,973.95

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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.