Home / 93,756.32-129,385.85-51,314.96

Finding the Fourth Proportional to 93,756.32, 129,385.85 and 51,314.96

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Solution

The fourth proportional to 93,756.32, 129,385.85 and 51,314.96 is: 70,815.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,756.32 : 129,385.85 = 51,314.96 : x
  2. Step 2: Convert to fraction form
    93,756.32/129,385.85 = 51,314.96/x
  3. Step 3: Cross multiply
    93,756.32x = 129,385.85 × 51,314.96
  4. Step 4: Simplify right side
    93,756.32x = 6,639,429,717.32
  5. Step 5: Solve for x
    x = 6,639,429,717.32/93,756.32
  6. Step 6: Final answer
    x = 70,815.81

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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.