Home / 106,900.70-147,538.61-61,569.96

Finding the Fourth Proportional to 106,900.70, 147,538.61 and 61,569.96

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Solution

The fourth proportional to 106,900.70, 147,538.61 and 61,569.96 is: 84,975.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,900.70 : 147,538.61 = 61,569.96 : x
  2. Step 2: Convert to fraction form
    106,900.70/147,538.61 = 61,569.96/x
  3. Step 3: Cross multiply
    106,900.70x = 147,538.61 × 61,569.96
  4. Step 4: Simplify right side
    106,900.70x = 9,083,946,008.31
  5. Step 5: Solve for x
    x = 9,083,946,008.31/106,900.70
  6. Step 6: Final answer
    x = 84,975.56

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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.