Home / 93,919.50-140,834.64-54,488.70

Finding the Fourth Proportional to 93,919.50, 140,834.64 and 54,488.70

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Solution

The fourth proportional to 93,919.50, 140,834.64 and 54,488.70 is: 81,707.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,919.50 : 140,834.64 = 54,488.70 : x
  2. Step 2: Convert to fraction form
    93,919.50/140,834.64 = 54,488.70/x
  3. Step 3: Cross multiply
    93,919.50x = 140,834.64 × 54,488.70
  4. Step 4: Simplify right side
    93,919.50x = 7,673,896,448.57
  5. Step 5: Solve for x
    x = 7,673,896,448.57/93,919.50
  6. Step 6: Final answer
    x = 81,707.17

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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.