Home / 61,877.16-85,390.65-33,582.78

Finding the Fourth Proportional to 61,877.16, 85,390.65 and 33,582.78

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Solution

The fourth proportional to 61,877.16, 85,390.65 and 33,582.78 is: 46,344.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,877.16 : 85,390.65 = 33,582.78 : x
  2. Step 2: Convert to fraction form
    61,877.16/85,390.65 = 33,582.78/x
  3. Step 3: Cross multiply
    61,877.16x = 85,390.65 × 33,582.78
  4. Step 4: Simplify right side
    61,877.16x = 2,867,655,413.01
  5. Step 5: Solve for x
    x = 2,867,655,413.01/61,877.16
  6. Step 6: Final answer
    x = 46,344.33

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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.