Home / 75,677.06-113,522.10-19,516.66

Finding the Fourth Proportional to 75,677.06, 113,522.10 and 19,516.66

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Solution

The fourth proportional to 75,677.06, 113,522.10 and 19,516.66 is: 29,276.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,677.06 : 113,522.10 = 19,516.66 : x
  2. Step 2: Convert to fraction form
    75,677.06/113,522.10 = 19,516.66/x
  3. Step 3: Cross multiply
    75,677.06x = 113,522.10 × 19,516.66
  4. Step 4: Simplify right side
    75,677.06x = 2,215,572,228.19
  5. Step 5: Solve for x
    x = 2,215,572,228.19/75,677.06
  6. Step 6: Final answer
    x = 29,276.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.