Home / 53,001.52-73,142.12-29,127.98

Finding the Fourth Proportional to 53,001.52, 73,142.12 and 29,127.98

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Solution

The fourth proportional to 53,001.52, 73,142.12 and 29,127.98 is: 40,196.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,001.52 : 73,142.12 = 29,127.98 : x
  2. Step 2: Convert to fraction form
    53,001.52/73,142.12 = 29,127.98/x
  3. Step 3: Cross multiply
    53,001.52x = 73,142.12 × 29,127.98
  4. Step 4: Simplify right side
    53,001.52x = 2,130,482,208.52
  5. Step 5: Solve for x
    x = 2,130,482,208.52/53,001.52
  6. Step 6: Final answer
    x = 40,196.62

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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.