Home / 109,962.78-151,749.09-59,661.78

Finding the Fourth Proportional to 109,962.78, 151,749.09 and 59,661.78

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Solution

The fourth proportional to 109,962.78, 151,749.09 and 59,661.78 is: 82,333.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,962.78 : 151,749.09 = 59,661.78 : x
  2. Step 2: Convert to fraction form
    109,962.78/151,749.09 = 59,661.78/x
  3. Step 3: Cross multiply
    109,962.78x = 151,749.09 × 59,661.78
  4. Step 4: Simplify right side
    109,962.78x = 9,053,620,822.78
  5. Step 5: Solve for x
    x = 9,053,620,822.78/109,962.78
  6. Step 6: Final answer
    x = 82,333.50

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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.