Home / 84,861.85-117,111.21-46,621.89

Finding the Fourth Proportional to 84,861.85, 117,111.21 and 46,621.89

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Solution

The fourth proportional to 84,861.85, 117,111.21 and 46,621.89 is: 64,339.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,861.85 : 117,111.21 = 46,621.89 : x
  2. Step 2: Convert to fraction form
    84,861.85/117,111.21 = 46,621.89/x
  3. Step 3: Cross multiply
    84,861.85x = 117,111.21 × 46,621.89
  4. Step 4: Simplify right side
    84,861.85x = 5,459,945,950.39
  5. Step 5: Solve for x
    x = 5,459,945,950.39/84,861.85
  6. Step 6: Final answer
    x = 64,339.23

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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.