Home / 78,410.04-108,182.01-44,413.12

Finding the Fourth Proportional to 78,410.04, 108,182.01 and 44,413.12

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Solution

The fourth proportional to 78,410.04, 108,182.01 and 44,413.12 is: 61,276.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,410.04 : 108,182.01 = 44,413.12 : x
  2. Step 2: Convert to fraction form
    78,410.04/108,182.01 = 44,413.12/x
  3. Step 3: Cross multiply
    78,410.04x = 108,182.01 × 44,413.12
  4. Step 4: Simplify right side
    78,410.04x = 4,804,700,591.97
  5. Step 5: Solve for x
    x = 4,804,700,591.97/78,410.04
  6. Step 6: Final answer
    x = 61,276.60

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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.