Home / 78,681.02-108,593.88-46,413.68

Finding the Fourth Proportional to 78,681.02, 108,593.88 and 46,413.68

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Solution

The fourth proportional to 78,681.02, 108,593.88 and 46,413.68 is: 64,059.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,681.02 : 108,593.88 = 46,413.68 : x
  2. Step 2: Convert to fraction form
    78,681.02/108,593.88 = 46,413.68/x
  3. Step 3: Cross multiply
    78,681.02x = 108,593.88 × 46,413.68
  4. Step 4: Simplify right side
    78,681.02x = 5,040,241,596.28
  5. Step 5: Solve for x
    x = 5,040,241,596.28/78,681.02
  6. Step 6: Final answer
    x = 64,059.18

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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.