Home / 92,905.19-139,357.73-26,345.90

Finding the Fourth Proportional to 92,905.19, 139,357.73 and 26,345.90

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Solution

The fourth proportional to 92,905.19, 139,357.73 and 26,345.90 is: 39,518.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,905.19 : 139,357.73 = 26,345.90 : x
  2. Step 2: Convert to fraction form
    92,905.19/139,357.73 = 26,345.90/x
  3. Step 3: Cross multiply
    92,905.19x = 139,357.73 × 26,345.90
  4. Step 4: Simplify right side
    92,905.19x = 3,671,503,990.29
  5. Step 5: Solve for x
    x = 3,671,503,990.29/92,905.19
  6. Step 6: Final answer
    x = 39,518.83

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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.