Home / 42,335.84-63,506.18-12,750.59

Finding the Fourth Proportional to 42,335.84, 63,506.18 and 12,750.59

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Solution

The fourth proportional to 42,335.84, 63,506.18 and 12,750.59 is: 19,126.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,335.84 : 63,506.18 = 12,750.59 : x
  2. Step 2: Convert to fraction form
    42,335.84/63,506.18 = 12,750.59/x
  3. Step 3: Cross multiply
    42,335.84x = 63,506.18 × 12,750.59
  4. Step 4: Simplify right side
    42,335.84x = 809,740,977.99
  5. Step 5: Solve for x
    x = 809,740,977.99/42,335.84
  6. Step 6: Final answer
    x = 19,126.61

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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.