Home / 117,526.32-162,270.45-72,264.96

Finding the Fourth Proportional to 117,526.32, 162,270.45 and 72,264.96

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Solution

The fourth proportional to 117,526.32, 162,270.45 and 72,264.96 is: 99,777.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,526.32 : 162,270.45 = 72,264.96 : x
  2. Step 2: Convert to fraction form
    117,526.32/162,270.45 = 72,264.96/x
  3. Step 3: Cross multiply
    117,526.32x = 162,270.45 × 72,264.96
  4. Step 4: Simplify right side
    117,526.32x = 11,726,467,578.43
  5. Step 5: Solve for x
    x = 11,726,467,578.43/117,526.32
  6. Step 6: Final answer
    x = 99,777.37

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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.