Home / 82,058.96-123,088.36-19,729.44

Finding the Fourth Proportional to 82,058.96, 123,088.36 and 19,729.44

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Solution

The fourth proportional to 82,058.96, 123,088.36 and 19,729.44 is: 29,594.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,058.96 : 123,088.36 = 19,729.44 : x
  2. Step 2: Convert to fraction form
    82,058.96/123,088.36 = 19,729.44/x
  3. Step 3: Cross multiply
    82,058.96x = 123,088.36 × 19,729.44
  4. Step 4: Simplify right side
    82,058.96x = 2,428,464,413.32
  5. Step 5: Solve for x
    x = 2,428,464,413.32/82,058.96
  6. Step 6: Final answer
    x = 29,594.14

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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.