Home / 117,259.20-175,784.40-42,363

Finding the Fourth Proportional to 117,259.20, 175,784.40 and 42,363

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Solution

The fourth proportional to 117,259.20, 175,784.40 and 42,363 is: 63,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,259.20 : 175,784.40 = 42,363 : x
  2. Step 2: Convert to fraction form
    117,259.20/175,784.40 = 42,363/x
  3. Step 3: Cross multiply
    117,259.20x = 175,784.40 × 42,363
  4. Step 4: Simplify right side
    117,259.20x = 7,446,754,537.20
  5. Step 5: Solve for x
    x = 7,446,754,537.20/117,259.20
  6. Step 6: Final answer
    x = 63,506.78

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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.