Home / 101,591.02-152,400.78-42,413.23

Finding the Fourth Proportional to 101,591.02, 152,400.78 and 42,413.23

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Solution

The fourth proportional to 101,591.02, 152,400.78 and 42,413.23 is: 63,625.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,591.02 : 152,400.78 = 42,413.23 : x
  2. Step 2: Convert to fraction form
    101,591.02/152,400.78 = 42,413.23/x
  3. Step 3: Cross multiply
    101,591.02x = 152,400.78 × 42,413.23
  4. Step 4: Simplify right side
    101,591.02x = 6,463,809,334.32
  5. Step 5: Solve for x
    x = 6,463,809,334.32/101,591.02
  6. Step 6: Final answer
    x = 63,625.79

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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.