Home / 79,001.06-118,501.72-31,637.48

Finding the Fourth Proportional to 79,001.06, 118,501.72 and 31,637.48

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Solution

The fourth proportional to 79,001.06, 118,501.72 and 31,637.48 is: 47,456.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,001.06 : 118,501.72 = 31,637.48 : x
  2. Step 2: Convert to fraction form
    79,001.06/118,501.72 = 31,637.48/x
  3. Step 3: Cross multiply
    79,001.06x = 118,501.72 × 31,637.48
  4. Step 4: Simplify right side
    79,001.06x = 3,749,095,796.47
  5. Step 5: Solve for x
    x = 3,749,095,796.47/79,001.06
  6. Step 6: Final answer
    x = 47,456.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.