Home / 99,297.12-137,061.37-63,487.27

Finding the Fourth Proportional to 99,297.12, 137,061.37 and 63,487.27

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Solution

The fourth proportional to 99,297.12, 137,061.37 and 63,487.27 is: 87,632.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,297.12 : 137,061.37 = 63,487.27 : x
  2. Step 2: Convert to fraction form
    99,297.12/137,061.37 = 63,487.27/x
  3. Step 3: Cross multiply
    99,297.12x = 137,061.37 × 63,487.27
  4. Step 4: Simplify right side
    99,297.12x = 8,701,652,203.76
  5. Step 5: Solve for x
    x = 8,701,652,203.76/99,297.12
  6. Step 6: Final answer
    x = 87,632.47

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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.