Home / 107,875.64-161,814.83-41,319.76

Finding the Fourth Proportional to 107,875.64, 161,814.83 and 41,319.76

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Solution

The fourth proportional to 107,875.64, 161,814.83 and 41,319.76 is: 61,980.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,875.64 : 161,814.83 = 41,319.76 : x
  2. Step 2: Convert to fraction form
    107,875.64/161,814.83 = 41,319.76/x
  3. Step 3: Cross multiply
    107,875.64x = 161,814.83 × 41,319.76
  4. Step 4: Simplify right side
    107,875.64x = 6,686,149,940.04
  5. Step 5: Solve for x
    x = 6,686,149,940.04/107,875.64
  6. Step 6: Final answer
    x = 61,980.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.