Home / 107,413.52-161,137.56-37,312.88

Finding the Fourth Proportional to 107,413.52, 161,137.56 and 37,312.88

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Solution

The fourth proportional to 107,413.52, 161,137.56 and 37,312.88 is: 55,975.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,413.52 : 161,137.56 = 37,312.88 : x
  2. Step 2: Convert to fraction form
    107,413.52/161,137.56 = 37,312.88/x
  3. Step 3: Cross multiply
    107,413.52x = 161,137.56 × 37,312.88
  4. Step 4: Simplify right side
    107,413.52x = 6,012,506,439.77
  5. Step 5: Solve for x
    x = 6,012,506,439.77/107,413.52
  6. Step 6: Final answer
    x = 55,975.32

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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.