Home / 45,084.32-62,182.59-39,985.82

Finding the Fourth Proportional to 45,084.32, 62,182.59 and 39,985.82

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Solution

The fourth proportional to 45,084.32, 62,182.59 and 39,985.82 is: 55,150.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,084.32 : 62,182.59 = 39,985.82 : x
  2. Step 2: Convert to fraction form
    45,084.32/62,182.59 = 39,985.82/x
  3. Step 3: Cross multiply
    45,084.32x = 62,182.59 × 39,985.82
  4. Step 4: Simplify right side
    45,084.32x = 2,486,421,850.87
  5. Step 5: Solve for x
    x = 2,486,421,850.87/45,084.32
  6. Step 6: Final answer
    x = 55,150.48

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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.