Home / 80,555.02-120,648.47-38,464.58

Finding the Fourth Proportional to 80,555.02, 120,648.47 and 38,464.58

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Solution

The fourth proportional to 80,555.02, 120,648.47 and 38,464.58 is: 57,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,555.02 : 120,648.47 = 38,464.58 : x
  2. Step 2: Convert to fraction form
    80,555.02/120,648.47 = 38,464.58/x
  3. Step 3: Cross multiply
    80,555.02x = 120,648.47 × 38,464.58
  4. Step 4: Simplify right side
    80,555.02x = 4,640,692,383.06
  5. Step 5: Solve for x
    x = 4,640,692,383.06/80,555.02
  6. Step 6: Final answer
    x = 57,608.98

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1.5x scale

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.