Home / 70,709.24-97,564.74-39,665.48

Finding the Fourth Proportional to 70,709.24, 97,564.74 and 39,665.48

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Solution

The fourth proportional to 70,709.24, 97,564.74 and 39,665.48 is: 54,730.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,709.24 : 97,564.74 = 39,665.48 : x
  2. Step 2: Convert to fraction form
    70,709.24/97,564.74 = 39,665.48/x
  3. Step 3: Cross multiply
    70,709.24x = 97,564.74 × 39,665.48
  4. Step 4: Simplify right side
    70,709.24x = 3,869,952,243.18
  5. Step 5: Solve for x
    x = 3,869,952,243.18/70,709.24
  6. Step 6: Final answer
    x = 54,730.50

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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.