Home / 61,977.86-85,530.04-36,822.50

Finding the Fourth Proportional to 61,977.86, 85,530.04 and 36,822.50

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Solution

The fourth proportional to 61,977.86, 85,530.04 and 36,822.50 is: 50,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,977.86 : 85,530.04 = 36,822.50 : x
  2. Step 2: Convert to fraction form
    61,977.86/85,530.04 = 36,822.50/x
  3. Step 3: Cross multiply
    61,977.86x = 85,530.04 × 36,822.50
  4. Step 4: Simplify right side
    61,977.86x = 3,149,429,713.79
  5. Step 5: Solve for x
    x = 3,149,429,713.79/61,977.86
  6. Step 6: Final answer
    x = 50,815.40

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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.