Home / 81,861.18-112,967.22-46,051.21

Finding the Fourth Proportional to 81,861.18, 112,967.22 and 46,051.21

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Solution

The fourth proportional to 81,861.18, 112,967.22 and 46,051.21 is: 63,549.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,861.18 : 112,967.22 = 46,051.21 : x
  2. Step 2: Convert to fraction form
    81,861.18/112,967.22 = 46,051.21/x
  3. Step 3: Cross multiply
    81,861.18x = 112,967.22 × 46,051.21
  4. Step 4: Simplify right side
    81,861.18x = 5,202,277,171.34
  5. Step 5: Solve for x
    x = 5,202,277,171.34/81,861.18
  6. Step 6: Final answer
    x = 63,549.99

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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.