Home / 70,729.11-97,606.44-38,900.01

Finding the Fourth Proportional to 70,729.11, 97,606.44 and 38,900.01

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Solution

The fourth proportional to 70,729.11, 97,606.44 and 38,900.01 is: 53,682.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,729.11 : 97,606.44 = 38,900.01 : x
  2. Step 2: Convert to fraction form
    70,729.11/97,606.44 = 38,900.01/x
  3. Step 3: Cross multiply
    70,729.11x = 97,606.44 × 38,900.01
  4. Step 4: Simplify right side
    70,729.11x = 3,796,891,492.06
  5. Step 5: Solve for x
    x = 3,796,891,492.06/70,729.11
  6. Step 6: Final answer
    x = 53,682.16

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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.