Home / 113,605.02-156,776.03-62,619.75

Finding the Fourth Proportional to 113,605.02, 156,776.03 and 62,619.75

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Solution

The fourth proportional to 113,605.02, 156,776.03 and 62,619.75 is: 86,415.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,605.02 : 156,776.03 = 62,619.75 : x
  2. Step 2: Convert to fraction form
    113,605.02/156,776.03 = 62,619.75/x
  3. Step 3: Cross multiply
    113,605.02x = 156,776.03 × 62,619.75
  4. Step 4: Simplify right side
    113,605.02x = 9,817,275,961.14
  5. Step 5: Solve for x
    x = 9,817,275,961.14/113,605.02
  6. Step 6: Final answer
    x = 86,415.86

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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.