Home / 103,631.16-155,446.61-41,345.40

Finding the Fourth Proportional to 103,631.16, 155,446.61 and 41,345.40

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Solution

The fourth proportional to 103,631.16, 155,446.61 and 41,345.40 is: 62,018.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,631.16 : 155,446.61 = 41,345.40 : x
  2. Step 2: Convert to fraction form
    103,631.16/155,446.61 = 41,345.40/x
  3. Step 3: Cross multiply
    103,631.16x = 155,446.61 × 41,345.40
  4. Step 4: Simplify right side
    103,631.16x = 6,427,002,062.37
  5. Step 5: Solve for x
    x = 6,427,002,062.37/103,631.16
  6. Step 6: Final answer
    x = 62,018.05

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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.