Home / 54,370.08-74,981.60-35,230.40

Finding the Fourth Proportional to 54,370.08, 74,981.60 and 35,230.40

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Solution

The fourth proportional to 54,370.08, 74,981.60 and 35,230.40 is: 48,586.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,370.08 : 74,981.60 = 35,230.40 : x
  2. Step 2: Convert to fraction form
    54,370.08/74,981.60 = 35,230.40/x
  3. Step 3: Cross multiply
    54,370.08x = 74,981.60 × 35,230.40
  4. Step 4: Simplify right side
    54,370.08x = 2,641,631,760.64
  5. Step 5: Solve for x
    x = 2,641,631,760.64/54,370.08
  6. Step 6: Final answer
    x = 48,586.13

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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.