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Finding the Fourth Proportional to 63,883.08, 88,123.95 and 40,005.09

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Solution

The fourth proportional to 63,883.08, 88,123.95 and 40,005.09 is: 55,185.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,883.08 : 88,123.95 = 40,005.09 : x
  2. Step 2: Convert to fraction form
    63,883.08/88,123.95 = 40,005.09/x
  3. Step 3: Cross multiply
    63,883.08x = 88,123.95 × 40,005.09
  4. Step 4: Simplify right side
    63,883.08x = 3,525,406,550.91
  5. Step 5: Solve for x
    x = 3,525,406,550.91/63,883.08
  6. Step 6: Final answer
    x = 55,185.29

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1.5x scale

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.