Home / 75,205.35-103,784.10-41,216.98

Finding the Fourth Proportional to 75,205.35, 103,784.10 and 41,216.98

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Solution

The fourth proportional to 75,205.35, 103,784.10 and 41,216.98 is: 56,879.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,205.35 : 103,784.10 = 41,216.98 : x
  2. Step 2: Convert to fraction form
    75,205.35/103,784.10 = 41,216.98/x
  3. Step 3: Cross multiply
    75,205.35x = 103,784.10 × 41,216.98
  4. Step 4: Simplify right side
    75,205.35x = 4,277,666,655.10
  5. Step 5: Solve for x
    x = 4,277,666,655.10/75,205.35
  6. Step 6: Final answer
    x = 56,879.82

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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.