Home / 53,935.35-74,430.54-31,287.48

Finding the Fourth Proportional to 53,935.35, 74,430.54 and 31,287.48

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Solution

The fourth proportional to 53,935.35, 74,430.54 and 31,287.48 is: 43,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,935.35 : 74,430.54 = 31,287.48 : x
  2. Step 2: Convert to fraction form
    53,935.35/74,430.54 = 31,287.48/x
  3. Step 3: Cross multiply
    53,935.35x = 74,430.54 × 31,287.48
  4. Step 4: Simplify right side
    53,935.35x = 2,328,744,031.64
  5. Step 5: Solve for x
    x = 2,328,744,031.64/53,935.35
  6. Step 6: Final answer
    x = 43,176.58

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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.