Home / 70,829.36-97,745.28-38,564.20

Finding the Fourth Proportional to 70,829.36, 97,745.28 and 38,564.20

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Solution

The fourth proportional to 70,829.36, 97,745.28 and 38,564.20 is: 53,219.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,829.36 : 97,745.28 = 38,564.20 : x
  2. Step 2: Convert to fraction form
    70,829.36/97,745.28 = 38,564.20/x
  3. Step 3: Cross multiply
    70,829.36x = 97,745.28 × 38,564.20
  4. Step 4: Simplify right side
    70,829.36x = 3,769,468,526.98
  5. Step 5: Solve for x
    x = 3,769,468,526.98/70,829.36
  6. Step 6: Final answer
    x = 53,219.01

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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.