Home / 64,012.25-88,378.51-57,286.31

Finding the Fourth Proportional to 64,012.25, 88,378.51 and 57,286.31

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Solution

The fourth proportional to 64,012.25, 88,378.51 and 57,286.31 is: 79,092.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,012.25 : 88,378.51 = 57,286.31 : x
  2. Step 2: Convert to fraction form
    64,012.25/88,378.51 = 57,286.31/x
  3. Step 3: Cross multiply
    64,012.25x = 88,378.51 × 57,286.31
  4. Step 4: Simplify right side
    64,012.25x = 5,062,878,434.77
  5. Step 5: Solve for x
    x = 5,062,878,434.77/64,012.25
  6. Step 6: Final answer
    x = 79,092.34

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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.