Home / 103,585.16-155,382.60-37,056.80

Finding the Fourth Proportional to 103,585.16, 155,382.60 and 37,056.80

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Solution

The fourth proportional to 103,585.16, 155,382.60 and 37,056.80 is: 55,586.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,585.16 : 155,382.60 = 37,056.80 : x
  2. Step 2: Convert to fraction form
    103,585.16/155,382.60 = 37,056.80/x
  3. Step 3: Cross multiply
    103,585.16x = 155,382.60 × 37,056.80
  4. Step 4: Simplify right side
    103,585.16x = 5,757,981,931.68
  5. Step 5: Solve for x
    x = 5,757,981,931.68/103,585.16
  6. Step 6: Final answer
    x = 55,586.94

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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.