Home / 58,832.78-81,148.20-38,683.22

Finding the Fourth Proportional to 58,832.78, 81,148.20 and 38,683.22

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Solution

The fourth proportional to 58,832.78, 81,148.20 and 38,683.22 is: 53,355.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,832.78 : 81,148.20 = 38,683.22 : x
  2. Step 2: Convert to fraction form
    58,832.78/81,148.20 = 38,683.22/x
  3. Step 3: Cross multiply
    58,832.78x = 81,148.20 × 38,683.22
  4. Step 4: Simplify right side
    58,832.78x = 3,139,073,673.20
  5. Step 5: Solve for x
    x = 3,139,073,673.20/58,832.78
  6. Step 6: Final answer
    x = 53,355.86

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1.5x scale

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.