Home / 64,036.80-96,049.44-45,396.72

Finding the Fourth Proportional to 64,036.80, 96,049.44 and 45,396.72

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Solution

The fourth proportional to 64,036.80, 96,049.44 and 45,396.72 is: 68,091.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,036.80 : 96,049.44 = 45,396.72 : x
  2. Step 2: Convert to fraction form
    64,036.80/96,049.44 = 45,396.72/x
  3. Step 3: Cross multiply
    64,036.80x = 96,049.44 × 45,396.72
  4. Step 4: Simplify right side
    64,036.80x = 4,360,329,533.84
  5. Step 5: Solve for x
    x = 4,360,329,533.84/64,036.80
  6. Step 6: Final answer
    x = 68,091.00

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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.