Home / 107,545.32-161,055-92,848.68

Finding the Fourth Proportional to 107,545.32, 161,055 and 92,848.68

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Solution

The fourth proportional to 107,545.32, 161,055 and 92,848.68 is: 139,045.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,545.32 : 161,055 = 92,848.68 : x
  2. Step 2: Convert to fraction form
    107,545.32/161,055 = 92,848.68/x
  3. Step 3: Cross multiply
    107,545.32x = 161,055 × 92,848.68
  4. Step 4: Simplify right side
    107,545.32x = 14,953,744,157.40
  5. Step 5: Solve for x
    x = 14,953,744,157.40/107,545.32
  6. Step 6: Final answer
    x = 139,045.98

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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.