Home / 112,082.64-154,675.08-61,783.44

Finding the Fourth Proportional to 112,082.64, 154,675.08 and 61,783.44

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Solution

The fourth proportional to 112,082.64, 154,675.08 and 61,783.44 is: 85,261.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,082.64 : 154,675.08 = 61,783.44 : x
  2. Step 2: Convert to fraction form
    112,082.64/154,675.08 = 61,783.44/x
  3. Step 3: Cross multiply
    112,082.64x = 154,675.08 × 61,783.44
  4. Step 4: Simplify right side
    112,082.64x = 9,556,358,524.68
  5. Step 5: Solve for x
    x = 9,556,358,524.68/112,082.64
  6. Step 6: Final answer
    x = 85,261.72

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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.