Home / 70,262.96-96,963.65-38,431.17

Finding the Fourth Proportional to 70,262.96, 96,963.65 and 38,431.17

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Solution

The fourth proportional to 70,262.96, 96,963.65 and 38,431.17 is: 53,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,262.96 : 96,963.65 = 38,431.17 : x
  2. Step 2: Convert to fraction form
    70,262.96/96,963.65 = 38,431.17/x
  3. Step 3: Cross multiply
    70,262.96x = 96,963.65 × 38,431.17
  4. Step 4: Simplify right side
    70,262.96x = 3,726,426,324.81
  5. Step 5: Solve for x
    x = 3,726,426,324.81/70,262.96
  6. Step 6: Final answer
    x = 53,035.43

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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.