Home / 74,314.20-111,341.70-61,913.88

Finding the Fourth Proportional to 74,314.20, 111,341.70 and 61,913.88

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Solution

The fourth proportional to 74,314.20, 111,341.70 and 61,913.88 is: 92,762.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,314.20 : 111,341.70 = 61,913.88 : x
  2. Step 2: Convert to fraction form
    74,314.20/111,341.70 = 61,913.88/x
  3. Step 3: Cross multiply
    74,314.20x = 111,341.70 × 61,913.88
  4. Step 4: Simplify right side
    74,314.20x = 6,893,596,652.80
  5. Step 5: Solve for x
    x = 6,893,596,652.80/74,314.20
  6. Step 6: Final answer
    x = 92,762.85

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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.