Home / 75,127.92-103,678.08-46,451.76

Finding the Fourth Proportional to 75,127.92, 103,678.08 and 46,451.76

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Solution

The fourth proportional to 75,127.92, 103,678.08 and 46,451.76 is: 64,104.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,127.92 : 103,678.08 = 46,451.76 : x
  2. Step 2: Convert to fraction form
    75,127.92/103,678.08 = 46,451.76/x
  3. Step 3: Cross multiply
    75,127.92x = 103,678.08 × 46,451.76
  4. Step 4: Simplify right side
    75,127.92x = 4,816,029,289.42
  5. Step 5: Solve for x
    x = 4,816,029,289.42/75,127.92
  6. Step 6: Final answer
    x = 64,104.39

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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.