Home / 49,870.12-74,733.90-36,618.52

Finding the Fourth Proportional to 49,870.12, 74,733.90 and 36,618.52

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Solution

The fourth proportional to 49,870.12, 74,733.90 and 36,618.52 is: 54,875.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,870.12 : 74,733.90 = 36,618.52 : x
  2. Step 2: Convert to fraction form
    49,870.12/74,733.90 = 36,618.52/x
  3. Step 3: Cross multiply
    49,870.12x = 74,733.90 × 36,618.52
  4. Step 4: Simplify right side
    49,870.12x = 2,736,644,811.83
  5. Step 5: Solve for x
    x = 2,736,644,811.83/49,870.12
  6. Step 6: Final answer
    x = 54,875.44

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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.