Home / 51,122.16-70,558.56-29,903.40

Finding the Fourth Proportional to 51,122.16, 70,558.56 and 29,903.40

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Solution

The fourth proportional to 51,122.16, 70,558.56 and 29,903.40 is: 41,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,122.16 : 70,558.56 = 29,903.40 : x
  2. Step 2: Convert to fraction form
    51,122.16/70,558.56 = 29,903.40/x
  3. Step 3: Cross multiply
    51,122.16x = 70,558.56 × 29,903.40
  4. Step 4: Simplify right side
    51,122.16x = 2,109,940,843.10
  5. Step 5: Solve for x
    x = 2,109,940,843.10/51,122.16
  6. Step 6: Final answer
    x = 41,272.53

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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.