Home / 112,082.48-154,668.24-64,334.72

Finding the Fourth Proportional to 112,082.48, 154,668.24 and 64,334.72

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Solution

The fourth proportional to 112,082.48, 154,668.24 and 64,334.72 is: 88,778.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,082.48 : 154,668.24 = 64,334.72 : x
  2. Step 2: Convert to fraction form
    112,082.48/154,668.24 = 64,334.72/x
  3. Step 3: Cross multiply
    112,082.48x = 154,668.24 × 64,334.72
  4. Step 4: Simplify right side
    112,082.48x = 9,950,537,913.29
  5. Step 5: Solve for x
    x = 9,950,537,913.29/112,082.48
  6. Step 6: Final answer
    x = 88,778.71

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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.