Home / 47,039.23-70,522.62-40,790.65

Finding the Fourth Proportional to 47,039.23, 70,522.62 and 40,790.65

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Solution

The fourth proportional to 47,039.23, 70,522.62 and 40,790.65 is: 61,154.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,039.23 : 70,522.62 = 40,790.65 : x
  2. Step 2: Convert to fraction form
    47,039.23/70,522.62 = 40,790.65/x
  3. Step 3: Cross multiply
    47,039.23x = 70,522.62 × 40,790.65
  4. Step 4: Simplify right side
    47,039.23x = 2,876,663,509.50
  5. Step 5: Solve for x
    x = 2,876,663,509.50/47,039.23
  6. Step 6: Final answer
    x = 61,154.56

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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.