Home / 93,831.96-129,456-53,516.76

Finding the Fourth Proportional to 93,831.96, 129,456 and 53,516.76

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Solution

The fourth proportional to 93,831.96, 129,456 and 53,516.76 is: 73,834.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,831.96 : 129,456 = 53,516.76 : x
  2. Step 2: Convert to fraction form
    93,831.96/129,456 = 53,516.76/x
  3. Step 3: Cross multiply
    93,831.96x = 129,456 × 53,516.76
  4. Step 4: Simplify right side
    93,831.96x = 6,928,065,682.56
  5. Step 5: Solve for x
    x = 6,928,065,682.56/93,831.96
  6. Step 6: Final answer
    x = 73,834.82

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Double scale
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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.