Home / 64,009.02-88,348.24-38,879.58

Finding the Fourth Proportional to 64,009.02, 88,348.24 and 38,879.58

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Solution

The fourth proportional to 64,009.02, 88,348.24 and 38,879.58 is: 53,663.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,009.02 : 88,348.24 = 38,879.58 : x
  2. Step 2: Convert to fraction form
    64,009.02/88,348.24 = 38,879.58/x
  3. Step 3: Cross multiply
    64,009.02x = 88,348.24 × 38,879.58
  4. Step 4: Simplify right side
    64,009.02x = 3,434,942,464.94
  5. Step 5: Solve for x
    x = 3,434,942,464.94/64,009.02
  6. Step 6: Final answer
    x = 53,663.41

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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.