Home / 96,691.06-145,036.86-30,133.36

Finding the Fourth Proportional to 96,691.06, 145,036.86 and 30,133.36

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Solution

The fourth proportional to 96,691.06, 145,036.86 and 30,133.36 is: 45,200.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,691.06 : 145,036.86 = 30,133.36 : x
  2. Step 2: Convert to fraction form
    96,691.06/145,036.86 = 30,133.36/x
  3. Step 3: Cross multiply
    96,691.06x = 145,036.86 × 30,133.36
  4. Step 4: Simplify right side
    96,691.06x = 4,370,447,915.65
  5. Step 5: Solve for x
    x = 4,370,447,915.65/96,691.06
  6. Step 6: Final answer
    x = 45,200.12

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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.