Home / 47,076.39-64,938.29-28,202.58

Finding the Fourth Proportional to 47,076.39, 64,938.29 and 28,202.58

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Solution

The fourth proportional to 47,076.39, 64,938.29 and 28,202.58 is: 38,903.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,076.39 : 64,938.29 = 28,202.58 : x
  2. Step 2: Convert to fraction form
    47,076.39/64,938.29 = 28,202.58/x
  3. Step 3: Cross multiply
    47,076.39x = 64,938.29 × 28,202.58
  4. Step 4: Simplify right side
    47,076.39x = 1,831,427,064.60
  5. Step 5: Solve for x
    x = 1,831,427,064.60/47,076.39
  6. Step 6: Final answer
    x = 38,903.31

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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.