Home / 85,301.16-117,654.66-73,950.36

Finding the Fourth Proportional to 85,301.16, 117,654.66 and 73,950.36

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Solution

The fourth proportional to 85,301.16, 117,654.66 and 73,950.36 is: 101,998.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,301.16 : 117,654.66 = 73,950.36 : x
  2. Step 2: Convert to fraction form
    85,301.16/117,654.66 = 73,950.36/x
  3. Step 3: Cross multiply
    85,301.16x = 117,654.66 × 73,950.36
  4. Step 4: Simplify right side
    85,301.16x = 8,700,604,462.68
  5. Step 5: Solve for x
    x = 8,700,604,462.68/85,301.16
  6. Step 6: Final answer
    x = 101,998.67

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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.