Home / 64,521.18-89,047.10-40,647.44

Finding the Fourth Proportional to 64,521.18, 89,047.10 and 40,647.44

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Solution

The fourth proportional to 64,521.18, 89,047.10 and 40,647.44 is: 56,098.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,521.18 : 89,047.10 = 40,647.44 : x
  2. Step 2: Convert to fraction form
    64,521.18/89,047.10 = 40,647.44/x
  3. Step 3: Cross multiply
    64,521.18x = 89,047.10 × 40,647.44
  4. Step 4: Simplify right side
    64,521.18x = 3,619,536,005.95
  5. Step 5: Solve for x
    x = 3,619,536,005.95/64,521.18
  6. Step 6: Final answer
    x = 56,098.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.