Home / 110,545.21-152,533.38-62,140.43

Finding the Fourth Proportional to 110,545.21, 152,533.38 and 62,140.43

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Solution

The fourth proportional to 110,545.21, 152,533.38 and 62,140.43 is: 85,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,545.21 : 152,533.38 = 62,140.43 : x
  2. Step 2: Convert to fraction form
    110,545.21/152,533.38 = 62,140.43/x
  3. Step 3: Cross multiply
    110,545.21x = 152,533.38 × 62,140.43
  4. Step 4: Simplify right side
    110,545.21x = 9,478,489,822.55
  5. Step 5: Solve for x
    x = 9,478,489,822.55/110,545.21
  6. Step 6: Final answer
    x = 85,743.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.