Home / 72,010.20-99,371.02-41,793.16

Finding the Fourth Proportional to 72,010.20, 99,371.02 and 41,793.16

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Solution

The fourth proportional to 72,010.20, 99,371.02 and 41,793.16 is: 57,672.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,010.20 : 99,371.02 = 41,793.16 : x
  2. Step 2: Convert to fraction form
    72,010.20/99,371.02 = 41,793.16/x
  3. Step 3: Cross multiply
    72,010.20x = 99,371.02 × 41,793.16
  4. Step 4: Simplify right side
    72,010.20x = 4,153,028,938.22
  5. Step 5: Solve for x
    x = 4,153,028,938.22/72,010.20
  6. Step 6: Final answer
    x = 57,672.79

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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.