Home / 64,413.74-96,575.33-28,373.09

Finding the Fourth Proportional to 64,413.74, 96,575.33 and 28,373.09

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Solution

The fourth proportional to 64,413.74, 96,575.33 and 28,373.09 is: 42,539.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,413.74 : 96,575.33 = 28,373.09 : x
  2. Step 2: Convert to fraction form
    64,413.74/96,575.33 = 28,373.09/x
  3. Step 3: Cross multiply
    64,413.74x = 96,575.33 × 28,373.09
  4. Step 4: Simplify right side
    64,413.74x = 2,740,139,905.13
  5. Step 5: Solve for x
    x = 2,740,139,905.13/64,413.74
  6. Step 6: Final answer
    x = 42,539.68

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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.