Home / 72,453.20-99,966.48-41,818.79

Finding the Fourth Proportional to 72,453.20, 99,966.48 and 41,818.79

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Solution

The fourth proportional to 72,453.20, 99,966.48 and 41,818.79 is: 57,699.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,453.20 : 99,966.48 = 41,818.79 : x
  2. Step 2: Convert to fraction form
    72,453.20/99,966.48 = 41,818.79/x
  3. Step 3: Cross multiply
    72,453.20x = 99,966.48 × 41,818.79
  4. Step 4: Simplify right side
    72,453.20x = 4,180,476,734.33
  5. Step 5: Solve for x
    x = 4,180,476,734.33/72,453.20
  6. Step 6: Final answer
    x = 57,699.00

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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.