Home / 48,709.66-67,234.64-28,574.68

Finding the Fourth Proportional to 48,709.66, 67,234.64 and 28,574.68

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Solution

The fourth proportional to 48,709.66, 67,234.64 and 28,574.68 is: 39,442.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,709.66 : 67,234.64 = 28,574.68 : x
  2. Step 2: Convert to fraction form
    48,709.66/67,234.64 = 28,574.68/x
  3. Step 3: Cross multiply
    48,709.66x = 67,234.64 × 28,574.68
  4. Step 4: Simplify right side
    48,709.66x = 1,921,208,322.92
  5. Step 5: Solve for x
    x = 1,921,208,322.92/48,709.66
  6. Step 6: Final answer
    x = 39,442.04

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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.