Home / 75,450.46-104,124.45-45,240.70

Finding the Fourth Proportional to 75,450.46, 104,124.45 and 45,240.70

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Solution

The fourth proportional to 75,450.46, 104,124.45 and 45,240.70 is: 62,433.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,450.46 : 104,124.45 = 45,240.70 : x
  2. Step 2: Convert to fraction form
    75,450.46/104,124.45 = 45,240.70/x
  3. Step 3: Cross multiply
    75,450.46x = 104,124.45 × 45,240.70
  4. Step 4: Simplify right side
    75,450.46x = 4,710,663,005.12
  5. Step 5: Solve for x
    x = 4,710,663,005.12/75,450.46
  6. Step 6: Final answer
    x = 62,433.85

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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.