Home / 75,160.76-103,626.27-53,676.21

Finding the Fourth Proportional to 75,160.76, 103,626.27 and 53,676.21

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Solution

The fourth proportional to 75,160.76, 103,626.27 and 53,676.21 is: 74,004.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,160.76 : 103,626.27 = 53,676.21 : x
  2. Step 2: Convert to fraction form
    75,160.76/103,626.27 = 53,676.21/x
  3. Step 3: Cross multiply
    75,160.76x = 103,626.27 × 53,676.21
  4. Step 4: Simplify right side
    75,160.76x = 5,562,265,818.64
  5. Step 5: Solve for x
    x = 5,562,265,818.64/75,160.76
  6. Step 6: Final answer
    x = 74,004.92

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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.