Home / 82,405.19-123,534.48-29,802.98

Finding the Fourth Proportional to 82,405.19, 123,534.48 and 29,802.98

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Solution

The fourth proportional to 82,405.19, 123,534.48 and 29,802.98 is: 44,677.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,405.19 : 123,534.48 = 29,802.98 : x
  2. Step 2: Convert to fraction form
    82,405.19/123,534.48 = 29,802.98/x
  3. Step 3: Cross multiply
    82,405.19x = 123,534.48 × 29,802.98
  4. Step 4: Simplify right side
    82,405.19x = 3,681,695,636.75
  5. Step 5: Solve for x
    x = 3,681,695,636.75/82,405.19
  6. Step 6: Final answer
    x = 44,677.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.