Home / 48,869.78-67,434.44-28,725.08

Finding the Fourth Proportional to 48,869.78, 67,434.44 and 28,725.08

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Solution

The fourth proportional to 48,869.78, 67,434.44 and 28,725.08 is: 39,637.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,869.78 : 67,434.44 = 28,725.08 : x
  2. Step 2: Convert to fraction form
    48,869.78/67,434.44 = 28,725.08/x
  3. Step 3: Cross multiply
    48,869.78x = 67,434.44 × 28,725.08
  4. Step 4: Simplify right side
    48,869.78x = 1,937,059,202.96
  5. Step 5: Solve for x
    x = 1,937,059,202.96/48,869.78
  6. Step 6: Final answer
    x = 39,637.16

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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.