Home / 106,761.10-147,325.83-61,440.65

Finding the Fourth Proportional to 106,761.10, 147,325.83 and 61,440.65

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Solution

The fourth proportional to 106,761.10, 147,325.83 and 61,440.65 is: 84,785.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,761.10 : 147,325.83 = 61,440.65 : x
  2. Step 2: Convert to fraction form
    106,761.10/147,325.83 = 61,440.65/x
  3. Step 3: Cross multiply
    106,761.10x = 147,325.83 × 61,440.65
  4. Step 4: Simplify right side
    106,761.10x = 9,051,795,059.19
  5. Step 5: Solve for x
    x = 9,051,795,059.19/106,761.10
  6. Step 6: Final answer
    x = 84,785.52

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1.5x scale

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.