Home / 53,216.67-79,840.68-15,777.81

Finding the Fourth Proportional to 53,216.67, 79,840.68 and 15,777.81

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Solution

The fourth proportional to 53,216.67, 79,840.68 and 15,777.81 is: 23,671.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,216.67 : 79,840.68 = 15,777.81 : x
  2. Step 2: Convert to fraction form
    53,216.67/79,840.68 = 15,777.81/x
  3. Step 3: Cross multiply
    53,216.67x = 79,840.68 × 15,777.81
  4. Step 4: Simplify right side
    53,216.67x = 1,259,711,079.31
  5. Step 5: Solve for x
    x = 1,259,711,079.31/53,216.67
  6. Step 6: Final answer
    x = 23,671.36

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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.