Home / 61,715.46-85,167.34-33,421.15

Finding the Fourth Proportional to 61,715.46, 85,167.34 and 33,421.15

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Solution

The fourth proportional to 61,715.46, 85,167.34 and 33,421.15 is: 46,121.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,715.46 : 85,167.34 = 33,421.15 : x
  2. Step 2: Convert to fraction form
    61,715.46/85,167.34 = 33,421.15/x
  3. Step 3: Cross multiply
    61,715.46x = 85,167.34 × 33,421.15
  4. Step 4: Simplify right side
    61,715.46x = 2,846,390,148.77
  5. Step 5: Solve for x
    x = 2,846,390,148.77/61,715.46
  6. Step 6: Final answer
    x = 46,121.19

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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.