Home / 113,758.10-156,985.99-62,770.79

Finding the Fourth Proportional to 113,758.10, 156,985.99 and 62,770.79

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Solution

The fourth proportional to 113,758.10, 156,985.99 and 62,770.79 is: 86,623.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,758.10 : 156,985.99 = 62,770.79 : x
  2. Step 2: Convert to fraction form
    113,758.10/156,985.99 = 62,770.79/x
  3. Step 3: Cross multiply
    113,758.10x = 156,985.99 × 62,770.79
  4. Step 4: Simplify right side
    113,758.10x = 9,854,133,919.51
  5. Step 5: Solve for x
    x = 9,854,133,919.51/113,758.10
  6. Step 6: Final answer
    x = 86,623.58

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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.