Home / 96,920.28-145,333.02-39,983.58

Finding the Fourth Proportional to 96,920.28, 145,333.02 and 39,983.58

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Solution

The fourth proportional to 96,920.28, 145,333.02 and 39,983.58 is: 59,955.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,920.28 : 145,333.02 = 39,983.58 : x
  2. Step 2: Convert to fraction form
    96,920.28/145,333.02 = 39,983.58/x
  3. Step 3: Cross multiply
    96,920.28x = 145,333.02 × 39,983.58
  4. Step 4: Simplify right side
    96,920.28x = 5,810,934,431.81
  5. Step 5: Solve for x
    x = 5,810,934,431.81/96,920.28
  6. Step 6: Final answer
    x = 59,955.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.