Home / 77,413.63-106,832.06-43,429.68

Finding the Fourth Proportional to 77,413.63, 106,832.06 and 43,429.68

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Solution

The fourth proportional to 77,413.63, 106,832.06 and 43,429.68 is: 59,933.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,413.63 : 106,832.06 = 43,429.68 : x
  2. Step 2: Convert to fraction form
    77,413.63/106,832.06 = 43,429.68/x
  3. Step 3: Cross multiply
    77,413.63x = 106,832.06 × 43,429.68
  4. Step 4: Simplify right side
    77,413.63x = 4,639,681,962.39
  5. Step 5: Solve for x
    x = 4,639,681,962.39/77,413.63
  6. Step 6: Final answer
    x = 59,933.66

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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.