Home / 105,371.64-145,416.87-60,056.78

Finding the Fourth Proportional to 105,371.64, 145,416.87 and 60,056.78

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Solution

The fourth proportional to 105,371.64, 145,416.87 and 60,056.78 is: 82,880.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,371.64 : 145,416.87 = 60,056.78 : x
  2. Step 2: Convert to fraction form
    105,371.64/145,416.87 = 60,056.78/x
  3. Step 3: Cross multiply
    105,371.64x = 145,416.87 × 60,056.78
  4. Step 4: Simplify right side
    105,371.64x = 8,733,268,242.79
  5. Step 5: Solve for x
    x = 8,733,268,242.79/105,371.64
  6. Step 6: Final answer
    x = 82,880.63

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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.