Home / 61,933.90-85,482.42-40,715.14

Finding the Fourth Proportional to 61,933.90, 85,482.42 and 40,715.14

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Solution

The fourth proportional to 61,933.90, 85,482.42 and 40,715.14 is: 56,195.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,933.90 : 85,482.42 = 40,715.14 : x
  2. Step 2: Convert to fraction form
    61,933.90/85,482.42 = 40,715.14/x
  3. Step 3: Cross multiply
    61,933.90x = 85,482.42 × 40,715.14
  4. Step 4: Simplify right side
    61,933.90x = 3,480,428,697.84
  5. Step 5: Solve for x
    x = 3,480,428,697.84/61,933.90
  6. Step 6: Final answer
    x = 56,195.86

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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.