Home / 75,131.92-103,683.60-46,455.76

Finding the Fourth Proportional to 75,131.92, 103,683.60 and 46,455.76

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Solution

The fourth proportional to 75,131.92, 103,683.60 and 46,455.76 is: 64,109.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,131.92 : 103,683.60 = 46,455.76 : x
  2. Step 2: Convert to fraction form
    75,131.92/103,683.60 = 46,455.76/x
  3. Step 3: Cross multiply
    75,131.92x = 103,683.60 × 46,455.76
  4. Step 4: Simplify right side
    75,131.92x = 4,816,700,437.54
  5. Step 5: Solve for x
    x = 4,816,700,437.54/75,131.92
  6. Step 6: Final answer
    x = 64,109.91

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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.