Home / 70,090.60-96,727.32-38,261.20

Finding the Fourth Proportional to 70,090.60, 96,727.32 and 38,261.20

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Solution

The fourth proportional to 70,090.60, 96,727.32 and 38,261.20 is: 52,801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,090.60 : 96,727.32 = 38,261.20 : x
  2. Step 2: Convert to fraction form
    70,090.60/96,727.32 = 38,261.20/x
  3. Step 3: Cross multiply
    70,090.60x = 96,727.32 × 38,261.20
  4. Step 4: Simplify right side
    70,090.60x = 3,700,903,335.98
  5. Step 5: Solve for x
    x = 3,700,903,335.98/70,090.60
  6. Step 6: Final answer
    x = 52,801.71

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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.