Home / 109,010.34-163,561.98-42,497.28

Finding the Fourth Proportional to 109,010.34, 163,561.98 and 42,497.28

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Solution

The fourth proportional to 109,010.34, 163,561.98 and 42,497.28 is: 63,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,010.34 : 163,561.98 = 42,497.28 : x
  2. Step 2: Convert to fraction form
    109,010.34/163,561.98 = 42,497.28/x
  3. Step 3: Cross multiply
    109,010.34x = 163,561.98 × 42,497.28
  4. Step 4: Simplify right side
    109,010.34x = 6,950,939,261.41
  5. Step 5: Solve for x
    x = 6,950,939,261.41/109,010.34
  6. Step 6: Final answer
    x = 63,764.04

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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.