Home / 103,173.93-154,804.68-56,372.13

Finding the Fourth Proportional to 103,173.93, 154,804.68 and 56,372.13

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Solution

The fourth proportional to 103,173.93, 154,804.68 and 56,372.13 is: 84,582.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,173.93 : 154,804.68 = 56,372.13 : x
  2. Step 2: Convert to fraction form
    103,173.93/154,804.68 = 56,372.13/x
  3. Step 3: Cross multiply
    103,173.93x = 154,804.68 × 56,372.13
  4. Step 4: Simplify right side
    103,173.93x = 8,726,669,545.57
  5. Step 5: Solve for x
    x = 8,726,669,545.57/103,173.93
  6. Step 6: Final answer
    x = 84,582.12

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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.