Home / 61,918.18-85,468.89-36,767.50

Finding the Fourth Proportional to 61,918.18, 85,468.89 and 36,767.50

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Solution

The fourth proportional to 61,918.18, 85,468.89 and 36,767.50 is: 50,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,918.18 : 85,468.89 = 36,767.50 : x
  2. Step 2: Convert to fraction form
    61,918.18/85,468.89 = 36,767.50/x
  3. Step 3: Cross multiply
    61,918.18x = 85,468.89 × 36,767.50
  4. Step 4: Simplify right side
    61,918.18x = 3,142,477,413.08
  5. Step 5: Solve for x
    x = 3,142,477,413.08/61,918.18
  6. Step 6: Final answer
    x = 50,752.10

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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.