Home / 63,299.88-87,312.68-40,602.92

Finding the Fourth Proportional to 63,299.88, 87,312.68 and 40,602.92

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Solution

The fourth proportional to 63,299.88, 87,312.68 and 40,602.92 is: 56,005.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,299.88 : 87,312.68 = 40,602.92 : x
  2. Step 2: Convert to fraction form
    63,299.88/87,312.68 = 40,602.92/x
  3. Step 3: Cross multiply
    63,299.88x = 87,312.68 × 40,602.92
  4. Step 4: Simplify right side
    63,299.88x = 3,545,149,993.23
  5. Step 5: Solve for x
    x = 3,545,149,993.23/63,299.88
  6. Step 6: Final answer
    x = 56,005.64

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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.