Home / 110,914.96-153,068.19-65,619.46

Finding the Fourth Proportional to 110,914.96, 153,068.19 and 65,619.46

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Solution

The fourth proportional to 110,914.96, 153,068.19 and 65,619.46 is: 90,558.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,914.96 : 153,068.19 = 65,619.46 : x
  2. Step 2: Convert to fraction form
    110,914.96/153,068.19 = 65,619.46/x
  3. Step 3: Cross multiply
    110,914.96x = 153,068.19 × 65,619.46
  4. Step 4: Simplify right side
    110,914.96x = 10,044,251,970.98
  5. Step 5: Solve for x
    x = 10,044,251,970.98/110,914.96
  6. Step 6: Final answer
    x = 90,558.14

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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.