Home / 117,603.90-162,307.29-69,857.44

Finding the Fourth Proportional to 117,603.90, 162,307.29 and 69,857.44

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Solution

The fourth proportional to 117,603.90, 162,307.29 and 69,857.44 is: 96,411.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,603.90 : 162,307.29 = 69,857.44 : x
  2. Step 2: Convert to fraction form
    117,603.90/162,307.29 = 69,857.44/x
  3. Step 3: Cross multiply
    117,603.90x = 162,307.29 × 69,857.44
  4. Step 4: Simplify right side
    117,603.90x = 11,338,371,628.93
  5. Step 5: Solve for x
    x = 11,338,371,628.93/117,603.90
  6. Step 6: Final answer
    x = 96,411.53

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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.