Home / 86,539.12-119,413.77-50,232.16

Finding the Fourth Proportional to 86,539.12, 119,413.77 and 50,232.16

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Solution

The fourth proportional to 86,539.12, 119,413.77 and 50,232.16 is: 69,314.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,539.12 : 119,413.77 = 50,232.16 : x
  2. Step 2: Convert to fraction form
    86,539.12/119,413.77 = 50,232.16/x
  3. Step 3: Cross multiply
    86,539.12x = 119,413.77 × 50,232.16
  4. Step 4: Simplify right side
    86,539.12x = 5,998,411,600.84
  5. Step 5: Solve for x
    x = 5,998,411,600.84/86,539.12
  6. Step 6: Final answer
    x = 69,314.45

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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.