Home / 112,088.88-154,679.55-61,102.60

Finding the Fourth Proportional to 112,088.88, 154,679.55 and 61,102.60

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Solution

The fourth proportional to 112,088.88, 154,679.55 and 61,102.60 is: 84,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,088.88 : 154,679.55 = 61,102.60 : x
  2. Step 2: Convert to fraction form
    112,088.88/154,679.55 = 61,102.60/x
  3. Step 3: Cross multiply
    112,088.88x = 154,679.55 × 61,102.60
  4. Step 4: Simplify right side
    112,088.88x = 9,451,322,671.83
  5. Step 5: Solve for x
    x = 9,451,322,671.83/112,088.88
  6. Step 6: Final answer
    x = 84,319.90

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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.