Home / 93,211.05-139,890.39-40,657.44

Finding the Fourth Proportional to 93,211.05, 139,890.39 and 40,657.44

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Solution

The fourth proportional to 93,211.05, 139,890.39 and 40,657.44 is: 61,018.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,211.05 : 139,890.39 = 40,657.44 : x
  2. Step 2: Convert to fraction form
    93,211.05/139,890.39 = 40,657.44/x
  3. Step 3: Cross multiply
    93,211.05x = 139,890.39 × 40,657.44
  4. Step 4: Simplify right side
    93,211.05x = 5,687,584,934.71
  5. Step 5: Solve for x
    x = 5,687,584,934.71/93,211.05
  6. Step 6: Final answer
    x = 61,018.35

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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.