Home / 88,742.63-122,464.19-48,456.36

Finding the Fourth Proportional to 88,742.63, 122,464.19 and 48,456.36

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Solution

The fourth proportional to 88,742.63, 122,464.19 and 48,456.36 is: 66,869.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,742.63 : 122,464.19 = 48,456.36 : x
  2. Step 2: Convert to fraction form
    88,742.63/122,464.19 = 48,456.36/x
  3. Step 3: Cross multiply
    88,742.63x = 122,464.19 × 48,456.36
  4. Step 4: Simplify right side
    88,742.63x = 5,934,168,998.89
  5. Step 5: Solve for x
    x = 5,934,168,998.89/88,742.63
  6. Step 6: Final answer
    x = 66,869.43

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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.