Home / 99,768.15-149,547.06-33,190.47

Finding the Fourth Proportional to 99,768.15, 149,547.06 and 33,190.47

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Solution

The fourth proportional to 99,768.15, 149,547.06 and 33,190.47 is: 49,750.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,768.15 : 149,547.06 = 33,190.47 : x
  2. Step 2: Convert to fraction form
    99,768.15/149,547.06 = 33,190.47/x
  3. Step 3: Cross multiply
    99,768.15x = 149,547.06 × 33,190.47
  4. Step 4: Simplify right side
    99,768.15x = 4,963,537,208.52
  5. Step 5: Solve for x
    x = 4,963,537,208.52/99,768.15
  6. Step 6: Final answer
    x = 49,750.72

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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.