Home / 123,130.68-184,587-48,304.50

Finding the Fourth Proportional to 123,130.68, 184,587 and 48,304.50

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Solution

The fourth proportional to 123,130.68, 184,587 and 48,304.50 is: 72,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,130.68 : 184,587 = 48,304.50 : x
  2. Step 2: Convert to fraction form
    123,130.68/184,587 = 48,304.50/x
  3. Step 3: Cross multiply
    123,130.68x = 184,587 × 48,304.50
  4. Step 4: Simplify right side
    123,130.68x = 8,916,382,741.50
  5. Step 5: Solve for x
    x = 8,916,382,741.50/123,130.68
  6. Step 6: Final answer
    x = 72,413.98

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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.