Home / 93,859.56-140,436-65,834.28

Finding the Fourth Proportional to 93,859.56, 140,436 and 65,834.28

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Solution

The fourth proportional to 93,859.56, 140,436 and 65,834.28 is: 98,503.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,859.56 : 140,436 = 65,834.28 : x
  2. Step 2: Convert to fraction form
    93,859.56/140,436 = 65,834.28/x
  3. Step 3: Cross multiply
    93,859.56x = 140,436 × 65,834.28
  4. Step 4: Simplify right side
    93,859.56x = 9,245,502,946.08
  5. Step 5: Solve for x
    x = 9,245,502,946.08/93,859.56
  6. Step 6: Final answer
    x = 98,503.58

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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.