Home / 42,043.92-63,084.98-15,750.64

Finding the Fourth Proportional to 42,043.92, 63,084.98 and 15,750.64

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Solution

The fourth proportional to 42,043.92, 63,084.98 and 15,750.64 is: 23,633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,043.92 : 63,084.98 = 15,750.64 : x
  2. Step 2: Convert to fraction form
    42,043.92/63,084.98 = 15,750.64/x
  3. Step 3: Cross multiply
    42,043.92x = 63,084.98 × 15,750.64
  4. Step 4: Simplify right side
    42,043.92x = 993,628,809.39
  5. Step 5: Solve for x
    x = 993,628,809.39/42,043.92
  6. Step 6: Final answer
    x = 23,633.12

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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.