Home / 117,897.53-162,700.67-64,184.09

Finding the Fourth Proportional to 117,897.53, 162,700.67 and 64,184.09

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Solution

The fourth proportional to 117,897.53, 162,700.67 and 64,184.09 is: 88,575.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,897.53 : 162,700.67 = 64,184.09 : x
  2. Step 2: Convert to fraction form
    117,897.53/162,700.67 = 64,184.09/x
  3. Step 3: Cross multiply
    117,897.53x = 162,700.67 × 64,184.09
  4. Step 4: Simplify right side
    117,897.53x = 10,442,794,125.42
  5. Step 5: Solve for x
    x = 10,442,794,125.42/117,897.53
  6. Step 6: Final answer
    x = 88,575.17

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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.