Home / 109,361.34-150,907.86-61,623.18

Finding the Fourth Proportional to 109,361.34, 150,907.86 and 61,623.18

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Solution

The fourth proportional to 109,361.34, 150,907.86 and 61,623.18 is: 85,033.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,361.34 : 150,907.86 = 61,623.18 : x
  2. Step 2: Convert to fraction form
    109,361.34/150,907.86 = 61,623.18/x
  3. Step 3: Cross multiply
    109,361.34x = 150,907.86 × 61,623.18
  4. Step 4: Simplify right side
    109,361.34x = 9,299,422,220.19
  5. Step 5: Solve for x
    x = 9,299,422,220.19/109,361.34
  6. Step 6: Final answer
    x = 85,033.91

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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.