Home / 42,165.86-63,117.57-26,550.68

Finding the Fourth Proportional to 42,165.86, 63,117.57 and 26,550.68

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Solution

The fourth proportional to 42,165.86, 63,117.57 and 26,550.68 is: 39,743.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,165.86 : 63,117.57 = 26,550.68 : x
  2. Step 2: Convert to fraction form
    42,165.86/63,117.57 = 26,550.68/x
  3. Step 3: Cross multiply
    42,165.86x = 63,117.57 × 26,550.68
  4. Step 4: Simplify right side
    42,165.86x = 1,675,814,403.45
  5. Step 5: Solve for x
    x = 1,675,814,403.45/42,165.86
  6. Step 6: Final answer
    x = 39,743.39

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1.5x scale

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.