Home / 107,459.76-161,133.93-56,886.20

Finding the Fourth Proportional to 107,459.76, 161,133.93 and 56,886.20

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Solution

The fourth proportional to 107,459.76, 161,133.93 and 56,886.20 is: 85,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,459.76 : 161,133.93 = 56,886.20 : x
  2. Step 2: Convert to fraction form
    107,459.76/161,133.93 = 56,886.20/x
  3. Step 3: Cross multiply
    107,459.76x = 161,133.93 × 56,886.20
  4. Step 4: Simplify right side
    107,459.76x = 9,166,296,163.10
  5. Step 5: Solve for x
    x = 9,166,296,163.10/107,459.76
  6. Step 6: Final answer
    x = 85,299.80

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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.