Home / 112,073.34-154,648.80-66,745.02

Finding the Fourth Proportional to 112,073.34, 154,648.80 and 66,745.02

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Solution

The fourth proportional to 112,073.34, 154,648.80 and 66,745.02 is: 92,100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,073.34 : 154,648.80 = 66,745.02 : x
  2. Step 2: Convert to fraction form
    112,073.34/154,648.80 = 66,745.02/x
  3. Step 3: Cross multiply
    112,073.34x = 154,648.80 × 66,745.02
  4. Step 4: Simplify right side
    112,073.34x = 10,322,037,248.98
  5. Step 5: Solve for x
    x = 10,322,037,248.98/112,073.34
  6. Step 6: Final answer
    x = 92,100.74

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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.