Home / 70,381.36-97,126.14-38,550.88

Finding the Fourth Proportional to 70,381.36, 97,126.14 and 38,550.88

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Solution

The fourth proportional to 70,381.36, 97,126.14 and 38,550.88 is: 53,200.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,381.36 : 97,126.14 = 38,550.88 : x
  2. Step 2: Convert to fraction form
    70,381.36/97,126.14 = 38,550.88/x
  3. Step 3: Cross multiply
    70,381.36x = 97,126.14 × 38,550.88
  4. Step 4: Simplify right side
    70,381.36x = 3,744,298,168.00
  5. Step 5: Solve for x
    x = 3,744,298,168.00/70,381.36
  6. Step 6: Final answer
    x = 53,200.14

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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.