Home / 61,639.60-92,403.08-22,187.68

Finding the Fourth Proportional to 61,639.60, 92,403.08 and 22,187.68

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Solution

The fourth proportional to 61,639.60, 92,403.08 and 22,187.68 is: 33,261.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,639.60 : 92,403.08 = 22,187.68 : x
  2. Step 2: Convert to fraction form
    61,639.60/92,403.08 = 22,187.68/x
  3. Step 3: Cross multiply
    61,639.60x = 92,403.08 × 22,187.68
  4. Step 4: Simplify right side
    61,639.60x = 2,050,209,970.05
  5. Step 5: Solve for x
    x = 2,050,209,970.05/61,639.60
  6. Step 6: Final answer
    x = 33,261.25

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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.