Home / 95,555.15-143,372.02-42,218.98

Finding the Fourth Proportional to 95,555.15, 143,372.02 and 42,218.98

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Solution

The fourth proportional to 95,555.15, 143,372.02 and 42,218.98 is: 63,345.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,555.15 : 143,372.02 = 42,218.98 : x
  2. Step 2: Convert to fraction form
    95,555.15/143,372.02 = 42,218.98/x
  3. Step 3: Cross multiply
    95,555.15x = 143,372.02 × 42,218.98
  4. Step 4: Simplify right side
    95,555.15x = 6,053,020,339.39
  5. Step 5: Solve for x
    x = 6,053,020,339.39/95,555.15
  6. Step 6: Final answer
    x = 63,345.83

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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.