Home / 49,456.64-68,263.08-28,243.28

Finding the Fourth Proportional to 49,456.64, 68,263.08 and 28,243.28

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Solution

The fourth proportional to 49,456.64, 68,263.08 and 28,243.28 is: 38,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,456.64 : 68,263.08 = 28,243.28 : x
  2. Step 2: Convert to fraction form
    49,456.64/68,263.08 = 28,243.28/x
  3. Step 3: Cross multiply
    49,456.64x = 68,263.08 × 28,243.28
  4. Step 4: Simplify right side
    49,456.64x = 1,927,973,282.10
  5. Step 5: Solve for x
    x = 1,927,973,282.10/49,456.64
  6. Step 6: Final answer
    x = 38,983.10

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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.