Home / 109,025.46-150,459.39-61,278.66

Finding the Fourth Proportional to 109,025.46, 150,459.39 and 61,278.66

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Solution

The fourth proportional to 109,025.46, 150,459.39 and 61,278.66 is: 84,566.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,025.46 : 150,459.39 = 61,278.66 : x
  2. Step 2: Convert to fraction form
    109,025.46/150,459.39 = 61,278.66/x
  3. Step 3: Cross multiply
    109,025.46x = 150,459.39 × 61,278.66
  4. Step 4: Simplify right side
    109,025.46x = 9,219,949,803.62
  5. Step 5: Solve for x
    x = 9,219,949,803.62/109,025.46
  6. Step 6: Final answer
    x = 84,566.94

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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.