Home / 61,861.29-85,363.38-36,368.49

Finding the Fourth Proportional to 61,861.29, 85,363.38 and 36,368.49

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Solution

The fourth proportional to 61,861.29, 85,363.38 and 36,368.49 is: 50,185.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,861.29 : 85,363.38 = 36,368.49 : x
  2. Step 2: Convert to fraction form
    61,861.29/85,363.38 = 36,368.49/x
  3. Step 3: Cross multiply
    61,861.29x = 85,363.38 × 36,368.49
  4. Step 4: Simplify right side
    61,861.29x = 3,104,537,231.90
  5. Step 5: Solve for x
    x = 3,104,537,231.90/61,861.29
  6. Step 6: Final answer
    x = 50,185.46

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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.