Home / 42,774.54-64,160.73-11,608.98

Finding the Fourth Proportional to 42,774.54, 64,160.73 and 11,608.98

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Solution

The fourth proportional to 42,774.54, 64,160.73 and 11,608.98 is: 17,413.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,774.54 : 64,160.73 = 11,608.98 : x
  2. Step 2: Convert to fraction form
    42,774.54/64,160.73 = 11,608.98/x
  3. Step 3: Cross multiply
    42,774.54x = 64,160.73 × 11,608.98
  4. Step 4: Simplify right side
    42,774.54x = 744,840,631.36
  5. Step 5: Solve for x
    x = 744,840,631.36/42,774.54
  6. Step 6: Final answer
    x = 17,413.18

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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.