Home / 97,112.48-145,683.06-49,754.36

Finding the Fourth Proportional to 97,112.48, 145,683.06 and 49,754.36

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Solution

The fourth proportional to 97,112.48, 145,683.06 and 49,754.36 is: 74,638.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,112.48 : 145,683.06 = 49,754.36 : x
  2. Step 2: Convert to fraction form
    97,112.48/145,683.06 = 49,754.36/x
  3. Step 3: Cross multiply
    97,112.48x = 145,683.06 × 49,754.36
  4. Step 4: Simplify right side
    97,112.48x = 7,248,367,413.14
  5. Step 5: Solve for x
    x = 7,248,367,413.14/97,112.48
  6. Step 6: Final answer
    x = 74,638.89

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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.