Home / 64,116.80-96,002.40-46,491.20

Finding the Fourth Proportional to 64,116.80, 96,002.40 and 46,491.20

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Solution

The fourth proportional to 64,116.80, 96,002.40 and 46,491.20 is: 69,611.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,116.80 : 96,002.40 = 46,491.20 : x
  2. Step 2: Convert to fraction form
    64,116.80/96,002.40 = 46,491.20/x
  3. Step 3: Cross multiply
    64,116.80x = 96,002.40 × 46,491.20
  4. Step 4: Simplify right side
    64,116.80x = 4,463,266,778.88
  5. Step 5: Solve for x
    x = 4,463,266,778.88/64,116.80
  6. Step 6: Final answer
    x = 69,611.50

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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.