Home / 88,612.33-122,281.32-48,325.36

Finding the Fourth Proportional to 88,612.33, 122,281.32 and 48,325.36

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Solution

The fourth proportional to 88,612.33, 122,281.32 and 48,325.36 is: 66,686.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,612.33 : 122,281.32 = 48,325.36 : x
  2. Step 2: Convert to fraction form
    88,612.33/122,281.32 = 48,325.36/x
  3. Step 3: Cross multiply
    88,612.33x = 122,281.32 × 48,325.36
  4. Step 4: Simplify right side
    88,612.33x = 5,909,288,504.57
  5. Step 5: Solve for x
    x = 5,909,288,504.57/88,612.33
  6. Step 6: Final answer
    x = 66,686.98

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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.