Home / 93,679.20-129,280.39-51,237.73

Finding the Fourth Proportional to 93,679.20, 129,280.39 and 51,237.73

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Solution

The fourth proportional to 93,679.20, 129,280.39 and 51,237.73 is: 70,709.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,679.20 : 129,280.39 = 51,237.73 : x
  2. Step 2: Convert to fraction form
    93,679.20/129,280.39 = 51,237.73/x
  3. Step 3: Cross multiply
    93,679.20x = 129,280.39 × 51,237.73
  4. Step 4: Simplify right side
    93,679.20x = 6,624,033,717.11
  5. Step 5: Solve for x
    x = 6,624,033,717.11/93,679.20
  6. Step 6: Final answer
    x = 70,709.76

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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.