Home / 61,211.18-91,730.55-48,675.58

Finding the Fourth Proportional to 61,211.18, 91,730.55 and 48,675.58

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Solution

The fourth proportional to 61,211.18, 91,730.55 and 48,675.58 is: 72,944.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,211.18 : 91,730.55 = 48,675.58 : x
  2. Step 2: Convert to fraction form
    61,211.18/91,730.55 = 48,675.58/x
  3. Step 3: Cross multiply
    61,211.18x = 91,730.55 × 48,675.58
  4. Step 4: Simplify right side
    61,211.18x = 4,465,037,724.97
  5. Step 5: Solve for x
    x = 4,465,037,724.97/61,211.18
  6. Step 6: Final answer
    x = 72,944.81

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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.