Home / 103,565.41-155,299.03-36,073.90

Finding the Fourth Proportional to 103,565.41, 155,299.03 and 36,073.90

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Solution

The fourth proportional to 103,565.41, 155,299.03 and 36,073.90 is: 54,093.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,565.41 : 155,299.03 = 36,073.90 : x
  2. Step 2: Convert to fraction form
    103,565.41/155,299.03 = 36,073.90/x
  3. Step 3: Cross multiply
    103,565.41x = 155,299.03 × 36,073.90
  4. Step 4: Simplify right side
    103,565.41x = 5,602,241,678.32
  5. Step 5: Solve for x
    x = 5,602,241,678.32/103,565.41
  6. Step 6: Final answer
    x = 54,093.75

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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.