Home / 49,482.66-74,128.30-30,770.15

Finding the Fourth Proportional to 49,482.66, 74,128.30 and 30,770.15

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Solution

The fourth proportional to 49,482.66, 74,128.30 and 30,770.15 is: 46,095.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,482.66 : 74,128.30 = 30,770.15 : x
  2. Step 2: Convert to fraction form
    49,482.66/74,128.30 = 30,770.15/x
  3. Step 3: Cross multiply
    49,482.66x = 74,128.30 × 30,770.15
  4. Step 4: Simplify right side
    49,482.66x = 2,280,939,018.64
  5. Step 5: Solve for x
    x = 2,280,939,018.64/49,482.66
  6. Step 6: Final answer
    x = 46,095.72

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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.