Home / 110,099.07-151,937.01-64,778.76

Finding the Fourth Proportional to 110,099.07, 151,937.01 and 64,778.76

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Solution

The fourth proportional to 110,099.07, 151,937.01 and 64,778.76 is: 89,394.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,099.07 : 151,937.01 = 64,778.76 : x
  2. Step 2: Convert to fraction form
    110,099.07/151,937.01 = 64,778.76/x
  3. Step 3: Cross multiply
    110,099.07x = 151,937.01 × 64,778.76
  4. Step 4: Simplify right side
    110,099.07x = 9,842,291,105.91
  5. Step 5: Solve for x
    x = 9,842,291,105.91/110,099.07
  6. Step 6: Final answer
    x = 89,394.86

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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.