Home / 88,006.74-121,469.13-73,834.98

Finding the Fourth Proportional to 88,006.74, 121,469.13 and 73,834.98

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Solution

The fourth proportional to 88,006.74, 121,469.13 and 73,834.98 is: 101,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,006.74 : 121,469.13 = 73,834.98 : x
  2. Step 2: Convert to fraction form
    88,006.74/121,469.13 = 73,834.98/x
  3. Step 3: Cross multiply
    88,006.74x = 121,469.13 × 73,834.98
  4. Step 4: Simplify right side
    88,006.74x = 8,968,670,784.17
  5. Step 5: Solve for x
    x = 8,968,670,784.17/88,006.74
  6. Step 6: Final answer
    x = 101,908.91

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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.