Home / 93,311.04-139,841.28-51,127.68

Finding the Fourth Proportional to 93,311.04, 139,841.28 and 51,127.68

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Solution

The fourth proportional to 93,311.04, 139,841.28 and 51,127.68 is: 76,622.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,311.04 : 139,841.28 = 51,127.68 : x
  2. Step 2: Convert to fraction form
    93,311.04/139,841.28 = 51,127.68/x
  3. Step 3: Cross multiply
    93,311.04x = 139,841.28 × 51,127.68
  4. Step 4: Simplify right side
    93,311.04x = 7,149,760,214.63
  5. Step 5: Solve for x
    x = 7,149,760,214.63/93,311.04
  6. Step 6: Final answer
    x = 76,622.88

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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.