Home / 117,809.18-162,578.40-64,094.24

Finding the Fourth Proportional to 117,809.18, 162,578.40 and 64,094.24

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Solution

The fourth proportional to 117,809.18, 162,578.40 and 64,094.24 is: 88,450.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,809.18 : 162,578.40 = 64,094.24 : x
  2. Step 2: Convert to fraction form
    117,809.18/162,578.40 = 64,094.24/x
  3. Step 3: Cross multiply
    117,809.18x = 162,578.40 × 64,094.24
  4. Step 4: Simplify right side
    117,809.18x = 10,420,338,988.42
  5. Step 5: Solve for x
    x = 10,420,338,988.42/117,809.18
  6. Step 6: Final answer
    x = 88,450.99

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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.