Home / 53,694.80-74,108.48-31,030.66

Finding the Fourth Proportional to 53,694.80, 74,108.48 and 31,030.66

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Solution

The fourth proportional to 53,694.80, 74,108.48 and 31,030.66 is: 42,827.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,694.80 : 74,108.48 = 31,030.66 : x
  2. Step 2: Convert to fraction form
    53,694.80/74,108.48 = 31,030.66/x
  3. Step 3: Cross multiply
    53,694.80x = 74,108.48 × 31,030.66
  4. Step 4: Simplify right side
    53,694.80x = 2,299,635,046.00
  5. Step 5: Solve for x
    x = 2,299,635,046.00/53,694.80
  6. Step 6: Final answer
    x = 42,827.89

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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.