Home / 64,477.15-96,589.91-42,223.06

Finding the Fourth Proportional to 64,477.15, 96,589.91 and 42,223.06

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Solution

The fourth proportional to 64,477.15, 96,589.91 and 42,223.06 is: 63,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,477.15 : 96,589.91 = 42,223.06 : x
  2. Step 2: Convert to fraction form
    64,477.15/96,589.91 = 42,223.06/x
  3. Step 3: Cross multiply
    64,477.15x = 96,589.91 × 42,223.06
  4. Step 4: Simplify right side
    64,477.15x = 4,078,321,129.55
  5. Step 5: Solve for x
    x = 4,078,321,129.55/64,477.15
  6. Step 6: Final answer
    x = 63,252.20

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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.