Home / 112,054.56-154,634.46-61,753.56

Finding the Fourth Proportional to 112,054.56, 154,634.46 and 61,753.56

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Solution

The fourth proportional to 112,054.56, 154,634.46 and 61,753.56 is: 85,219.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,054.56 : 154,634.46 = 61,753.56 : x
  2. Step 2: Convert to fraction form
    112,054.56/154,634.46 = 61,753.56/x
  3. Step 3: Cross multiply
    112,054.56x = 154,634.46 × 61,753.56
  4. Step 4: Simplify right side
    112,054.56x = 9,549,228,403.68
  5. Step 5: Solve for x
    x = 9,549,228,403.68/112,054.56
  6. Step 6: Final answer
    x = 85,219.45

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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.