Home / 54,155.04-74,733.76-30,281.64

Finding the Fourth Proportional to 54,155.04, 74,733.76 and 30,281.64

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Solution

The fourth proportional to 54,155.04, 74,733.76 and 30,281.64 is: 41,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,155.04 : 74,733.76 = 30,281.64 : x
  2. Step 2: Convert to fraction form
    54,155.04/74,733.76 = 30,281.64/x
  3. Step 3: Cross multiply
    54,155.04x = 74,733.76 × 30,281.64
  4. Step 4: Simplify right side
    54,155.04x = 2,263,060,816.17
  5. Step 5: Solve for x
    x = 2,263,060,816.17/54,155.04
  6. Step 6: Final answer
    x = 41,788.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.