Home / 49,417.92-68,128.94-31,259.61

Finding the Fourth Proportional to 49,417.92, 68,128.94 and 31,259.61

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Solution

The fourth proportional to 49,417.92, 68,128.94 and 31,259.61 is: 43,095.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,417.92 : 68,128.94 = 31,259.61 : x
  2. Step 2: Convert to fraction form
    49,417.92/68,128.94 = 31,259.61/x
  3. Step 3: Cross multiply
    49,417.92x = 68,128.94 × 31,259.61
  4. Step 4: Simplify right side
    49,417.92x = 2,129,684,094.11
  5. Step 5: Solve for x
    x = 2,129,684,094.11/49,417.92
  6. Step 6: Final answer
    x = 43,095.38

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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.