Home / 70,814.61-97,721.94-38,983.44

Finding the Fourth Proportional to 70,814.61, 97,721.94 and 38,983.44

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Solution

The fourth proportional to 70,814.61, 97,721.94 and 38,983.44 is: 53,795.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,814.61 : 97,721.94 = 38,983.44 : x
  2. Step 2: Convert to fraction form
    70,814.61/97,721.94 = 38,983.44/x
  3. Step 3: Cross multiply
    70,814.61x = 97,721.94 × 38,983.44
  4. Step 4: Simplify right side
    70,814.61x = 3,809,537,384.67
  5. Step 5: Solve for x
    x = 3,809,537,384.67/70,814.61
  6. Step 6: Final answer
    x = 53,795.92

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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.