Home / 64,731.15-96,967.43-51,426.60

Finding the Fourth Proportional to 64,731.15, 96,967.43 and 51,426.60

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Solution

The fourth proportional to 64,731.15, 96,967.43 and 51,426.60 is: 77,037.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,731.15 : 96,967.43 = 51,426.60 : x
  2. Step 2: Convert to fraction form
    64,731.15/96,967.43 = 51,426.60/x
  3. Step 3: Cross multiply
    64,731.15x = 96,967.43 × 51,426.60
  4. Step 4: Simplify right side
    64,731.15x = 4,986,704,807.73
  5. Step 5: Solve for x
    x = 4,986,704,807.73/64,731.15
  6. Step 6: Final answer
    x = 77,037.17

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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.