Home / 64,891.20-97,336.80-45,864.30

Finding the Fourth Proportional to 64,891.20, 97,336.80 and 45,864.30

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Solution

The fourth proportional to 64,891.20, 97,336.80 and 45,864.30 is: 68,796.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,891.20 : 97,336.80 = 45,864.30 : x
  2. Step 2: Convert to fraction form
    64,891.20/97,336.80 = 45,864.30/x
  3. Step 3: Cross multiply
    64,891.20x = 97,336.80 × 45,864.30
  4. Step 4: Simplify right side
    64,891.20x = 4,464,284,196.24
  5. Step 5: Solve for x
    x = 4,464,284,196.24/64,891.20
  6. Step 6: Final answer
    x = 68,796.45

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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.