Home / 122,890.59-169,587.14-69,175.44

Finding the Fourth Proportional to 122,890.59, 169,587.14 and 69,175.44

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Solution

The fourth proportional to 122,890.59, 169,587.14 and 69,175.44 is: 95,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,890.59 : 169,587.14 = 69,175.44 : x
  2. Step 2: Convert to fraction form
    122,890.59/169,587.14 = 69,175.44/x
  3. Step 3: Cross multiply
    122,890.59x = 169,587.14 × 69,175.44
  4. Step 4: Simplify right side
    122,890.59x = 11,731,264,681.96
  5. Step 5: Solve for x
    x = 11,731,264,681.96/122,890.59
  6. Step 6: Final answer
    x = 95,461.05

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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.