Home / 70,131.22-96,783.60-38,301.46

Finding the Fourth Proportional to 70,131.22, 96,783.60 and 38,301.46

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Solution

The fourth proportional to 70,131.22, 96,783.60 and 38,301.46 is: 52,857.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,131.22 : 96,783.60 = 38,301.46 : x
  2. Step 2: Convert to fraction form
    70,131.22/96,783.60 = 38,301.46/x
  3. Step 3: Cross multiply
    70,131.22x = 96,783.60 × 38,301.46
  4. Step 4: Simplify right side
    70,131.22x = 3,706,953,184.06
  5. Step 5: Solve for x
    x = 3,706,953,184.06/70,131.22
  6. Step 6: Final answer
    x = 52,857.39

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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.