Home / 106,934.78-147,585.54-61,603.94

Finding the Fourth Proportional to 106,934.78, 147,585.54 and 61,603.94

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Solution

The fourth proportional to 106,934.78, 147,585.54 and 61,603.94 is: 85,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,934.78 : 147,585.54 = 61,603.94 : x
  2. Step 2: Convert to fraction form
    106,934.78/147,585.54 = 61,603.94/x
  3. Step 3: Cross multiply
    106,934.78x = 147,585.54 × 61,603.94
  4. Step 4: Simplify right side
    106,934.78x = 9,091,851,351.01
  5. Step 5: Solve for x
    x = 9,091,851,351.01/106,934.78
  6. Step 6: Final answer
    x = 85,022.40

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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.