Home / 93,831.57-129,489.71-51,389.73

Finding the Fourth Proportional to 93,831.57, 129,489.71 and 51,389.73

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Solution

The fourth proportional to 93,831.57, 129,489.71 and 51,389.73 is: 70,919.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,831.57 : 129,489.71 = 51,389.73 : x
  2. Step 2: Convert to fraction form
    93,831.57/129,489.71 = 51,389.73/x
  3. Step 3: Cross multiply
    93,831.57x = 129,489.71 × 51,389.73
  4. Step 4: Simplify right side
    93,831.57x = 6,654,440,977.73
  5. Step 5: Solve for x
    x = 6,654,440,977.73/93,831.57
  6. Step 6: Final answer
    x = 70,919.00

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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.