Home / 93,738.81-129,224.91-66,834.66

Finding the Fourth Proportional to 93,738.81, 129,224.91 and 66,834.66

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Solution

The fourth proportional to 93,738.81, 129,224.91 and 66,834.66 is: 92,135.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,738.81 : 129,224.91 = 66,834.66 : x
  2. Step 2: Convert to fraction form
    93,738.81/129,224.91 = 66,834.66/x
  3. Step 3: Cross multiply
    93,738.81x = 129,224.91 × 66,834.66
  4. Step 4: Simplify right side
    93,738.81x = 8,636,702,923.38
  5. Step 5: Solve for x
    x = 8,636,702,923.38/93,738.81
  6. Step 6: Final answer
    x = 92,135.83

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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.