Home / 75,107.06-103,640.64-44,886.36

Finding the Fourth Proportional to 75,107.06, 103,640.64 and 44,886.36

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Solution

The fourth proportional to 75,107.06, 103,640.64 and 44,886.36 is: 61,938.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,107.06 : 103,640.64 = 44,886.36 : x
  2. Step 2: Convert to fraction form
    75,107.06/103,640.64 = 44,886.36/x
  3. Step 3: Cross multiply
    75,107.06x = 103,640.64 × 44,886.36
  4. Step 4: Simplify right side
    75,107.06x = 4,652,051,077.67
  5. Step 5: Solve for x
    x = 4,652,051,077.67/75,107.06
  6. Step 6: Final answer
    x = 61,938.93

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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.