Home / 99,634.95-137,216.30-97,457.67

Finding the Fourth Proportional to 99,634.95, 137,216.30 and 97,457.67

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Solution

The fourth proportional to 99,634.95, 137,216.30 and 97,457.67 is: 134,217.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,634.95 : 137,216.30 = 97,457.67 : x
  2. Step 2: Convert to fraction form
    99,634.95/137,216.30 = 97,457.67/x
  3. Step 3: Cross multiply
    99,634.95x = 137,216.30 × 97,457.67
  4. Step 4: Simplify right side
    99,634.95x = 13,372,780,396.73
  5. Step 5: Solve for x
    x = 13,372,780,396.73/99,634.95
  6. Step 6: Final answer
    x = 134,217.77

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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.