Home / 102,116.60-140,926.40-59,699.96

Finding the Fourth Proportional to 102,116.60, 140,926.40 and 59,699.96

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Solution

The fourth proportional to 102,116.60, 140,926.40 and 59,699.96 is: 82,389.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,116.60 : 140,926.40 = 59,699.96 : x
  2. Step 2: Convert to fraction form
    102,116.60/140,926.40 = 59,699.96/x
  3. Step 3: Cross multiply
    102,116.60x = 140,926.40 × 59,699.96
  4. Step 4: Simplify right side
    102,116.60x = 8,413,300,442.94
  5. Step 5: Solve for x
    x = 8,413,300,442.94/102,116.60
  6. Step 6: Final answer
    x = 82,389.16

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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.