Home / 103,580.28-155,376.99-32,505.72

Finding the Fourth Proportional to 103,580.28, 155,376.99 and 32,505.72

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Solution

The fourth proportional to 103,580.28, 155,376.99 and 32,505.72 is: 48,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,580.28 : 155,376.99 = 32,505.72 : x
  2. Step 2: Convert to fraction form
    103,580.28/155,376.99 = 32,505.72/x
  3. Step 3: Cross multiply
    103,580.28x = 155,376.99 × 32,505.72
  4. Step 4: Simplify right side
    103,580.28x = 5,050,640,931.38
  5. Step 5: Solve for x
    x = 5,050,640,931.38/103,580.28
  6. Step 6: Final answer
    x = 48,760.64

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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.