Home / 64,062.72-96,039.41-45,283.68

Finding the Fourth Proportional to 64,062.72, 96,039.41 and 45,283.68

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Solution

The fourth proportional to 64,062.72, 96,039.41 and 45,283.68 is: 67,886.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,062.72 : 96,039.41 = 45,283.68 : x
  2. Step 2: Convert to fraction form
    64,062.72/96,039.41 = 45,283.68/x
  3. Step 3: Cross multiply
    64,062.72x = 96,039.41 × 45,283.68
  4. Step 4: Simplify right side
    64,062.72x = 4,349,017,683.41
  5. Step 5: Solve for x
    x = 4,349,017,683.41/64,062.72
  6. Step 6: Final answer
    x = 67,886.87

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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.