Home / 110,116.17-151,970.90-61,717.86

Finding the Fourth Proportional to 110,116.17, 151,970.90 and 61,717.86

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Solution

The fourth proportional to 110,116.17, 151,970.90 and 61,717.86 is: 85,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,116.17 : 151,970.90 = 61,717.86 : x
  2. Step 2: Convert to fraction form
    110,116.17/151,970.90 = 61,717.86/x
  3. Step 3: Cross multiply
    110,116.17x = 151,970.90 × 61,717.86
  4. Step 4: Simplify right side
    110,116.17x = 9,379,318,421.68
  5. Step 5: Solve for x
    x = 9,379,318,421.68/110,116.17
  6. Step 6: Final answer
    x = 85,176.58

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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.