Home / 63,411.40-87,550.50-56,675.44

Finding the Fourth Proportional to 63,411.40, 87,550.50 and 56,675.44

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Solution

The fourth proportional to 63,411.40, 87,550.50 and 56,675.44 is: 78,250.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,411.40 : 87,550.50 = 56,675.44 : x
  2. Step 2: Convert to fraction form
    63,411.40/87,550.50 = 56,675.44/x
  3. Step 3: Cross multiply
    63,411.40x = 87,550.50 × 56,675.44
  4. Step 4: Simplify right side
    63,411.40x = 4,961,963,109.72
  5. Step 5: Solve for x
    x = 4,961,963,109.72/63,411.40
  6. Step 6: Final answer
    x = 78,250.33

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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.