Home / 74,545.08-111,783.06-43,389.24

Finding the Fourth Proportional to 74,545.08, 111,783.06 and 43,389.24

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Solution

The fourth proportional to 74,545.08, 111,783.06 and 43,389.24 is: 65,063.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,545.08 : 111,783.06 = 43,389.24 : x
  2. Step 2: Convert to fraction form
    74,545.08/111,783.06 = 43,389.24/x
  3. Step 3: Cross multiply
    74,545.08x = 111,783.06 × 43,389.24
  4. Step 4: Simplify right side
    74,545.08x = 4,850,182,018.27
  5. Step 5: Solve for x
    x = 4,850,182,018.27/74,545.08
  6. Step 6: Final answer
    x = 65,063.74

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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.