Home / 102,401.22-141,314.34-57,082.08

Finding the Fourth Proportional to 102,401.22, 141,314.34 and 57,082.08

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Solution

The fourth proportional to 102,401.22, 141,314.34 and 57,082.08 is: 78,773.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,401.22 : 141,314.34 = 57,082.08 : x
  2. Step 2: Convert to fraction form
    102,401.22/141,314.34 = 57,082.08/x
  3. Step 3: Cross multiply
    102,401.22x = 141,314.34 × 57,082.08
  4. Step 4: Simplify right side
    102,401.22x = 8,066,516,461.03
  5. Step 5: Solve for x
    x = 8,066,516,461.03/102,401.22
  6. Step 6: Final answer
    x = 78,773.64

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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.