Home / 75,112.16-103,666.16-42,846.62

Finding the Fourth Proportional to 75,112.16, 103,666.16 and 42,846.62

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Solution

The fourth proportional to 75,112.16, 103,666.16 and 42,846.62 is: 59,134.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,112.16 : 103,666.16 = 42,846.62 : x
  2. Step 2: Convert to fraction form
    75,112.16/103,666.16 = 42,846.62/x
  3. Step 3: Cross multiply
    75,112.16x = 103,666.16 × 42,846.62
  4. Step 4: Simplify right side
    75,112.16x = 4,441,744,564.38
  5. Step 5: Solve for x
    x = 4,441,744,564.38/75,112.16
  6. Step 6: Final answer
    x = 59,134.83

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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.