Home / 93,680.35-129,281.94-51,238.88

Finding the Fourth Proportional to 93,680.35, 129,281.94 and 51,238.88

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Solution

The fourth proportional to 93,680.35, 129,281.94 and 51,238.88 is: 70,711.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,680.35 : 129,281.94 = 51,238.88 : x
  2. Step 2: Convert to fraction form
    93,680.35/129,281.94 = 51,238.88/x
  3. Step 3: Cross multiply
    93,680.35x = 129,281.94 × 51,238.88
  4. Step 4: Simplify right side
    93,680.35x = 6,624,261,648.22
  5. Step 5: Solve for x
    x = 6,624,261,648.22/93,680.35
  6. Step 6: Final answer
    x = 70,711.33

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1.5x scale

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.