Home / 109,083.32-150,533.50-61,336.78

Finding the Fourth Proportional to 109,083.32, 150,533.50 and 61,336.78

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Solution

The fourth proportional to 109,083.32, 150,533.50 and 61,336.78 is: 84,643.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,083.32 : 150,533.50 = 61,336.78 : x
  2. Step 2: Convert to fraction form
    109,083.32/150,533.50 = 61,336.78/x
  3. Step 3: Cross multiply
    109,083.32x = 150,533.50 × 61,336.78
  4. Step 4: Simplify right side
    109,083.32x = 9,233,240,172.13
  5. Step 5: Solve for x
    x = 9,233,240,172.13/109,083.32
  6. Step 6: Final answer
    x = 84,643.92

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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.