Home / 64,625.12-89,146.24-37,761.92

Finding the Fourth Proportional to 64,625.12, 89,146.24 and 37,761.92

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Solution

The fourth proportional to 64,625.12, 89,146.24 and 37,761.92 is: 52,090.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,625.12 : 89,146.24 = 37,761.92 : x
  2. Step 2: Convert to fraction form
    64,625.12/89,146.24 = 37,761.92/x
  3. Step 3: Cross multiply
    64,625.12x = 89,146.24 × 37,761.92
  4. Step 4: Simplify right side
    64,625.12x = 3,366,333,183.18
  5. Step 5: Solve for x
    x = 3,366,333,183.18/64,625.12
  6. Step 6: Final answer
    x = 52,090.17

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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.