Home / 106,717.91-147,291.08-70,355.52

Finding the Fourth Proportional to 106,717.91, 147,291.08 and 70,355.52

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Solution

The fourth proportional to 106,717.91, 147,291.08 and 70,355.52 is: 97,104.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,717.91 : 147,291.08 = 70,355.52 : x
  2. Step 2: Convert to fraction form
    106,717.91/147,291.08 = 70,355.52/x
  3. Step 3: Cross multiply
    106,717.91x = 147,291.08 × 70,355.52
  4. Step 4: Simplify right side
    106,717.91x = 10,362,740,172.98
  5. Step 5: Solve for x
    x = 10,362,740,172.98/106,717.91
  6. Step 6: Final answer
    x = 97,104.04

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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.