Home / 54,330.10-81,495.15-49,518.70

Finding the Fourth Proportional to 54,330.10, 81,495.15 and 49,518.70

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Solution

The fourth proportional to 54,330.10, 81,495.15 and 49,518.70 is: 74,278.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,330.10 : 81,495.15 = 49,518.70 : x
  2. Step 2: Convert to fraction form
    54,330.10/81,495.15 = 49,518.70/x
  3. Step 3: Cross multiply
    54,330.10x = 81,495.15 × 49,518.70
  4. Step 4: Simplify right side
    54,330.10x = 4,035,533,884.31
  5. Step 5: Solve for x
    x = 4,035,533,884.31/54,330.10
  6. Step 6: Final answer
    x = 74,278.05

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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.