Home / 92,551.09-138,826.57-30,221.59

Finding the Fourth Proportional to 92,551.09, 138,826.57 and 30,221.59

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Solution

The fourth proportional to 92,551.09, 138,826.57 and 30,221.59 is: 45,332.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,551.09 : 138,826.57 = 30,221.59 : x
  2. Step 2: Convert to fraction form
    92,551.09/138,826.57 = 30,221.59/x
  3. Step 3: Cross multiply
    92,551.09x = 138,826.57 × 30,221.59
  4. Step 4: Simplify right side
    92,551.09x = 4,195,559,679.65
  5. Step 5: Solve for x
    x = 4,195,559,679.65/92,551.09
  6. Step 6: Final answer
    x = 45,332.36

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1.5x scale

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.