Home / 80,413.36-110,975.40-46,428.05

Finding the Fourth Proportional to 80,413.36, 110,975.40 and 46,428.05

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Solution

The fourth proportional to 80,413.36, 110,975.40 and 46,428.05 is: 64,073.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,413.36 : 110,975.40 = 46,428.05 : x
  2. Step 2: Convert to fraction form
    80,413.36/110,975.40 = 46,428.05/x
  3. Step 3: Cross multiply
    80,413.36x = 110,975.40 × 46,428.05
  4. Step 4: Simplify right side
    80,413.36x = 5,152,371,697.41
  5. Step 5: Solve for x
    x = 5,152,371,697.41/80,413.36
  6. Step 6: Final answer
    x = 64,073.58

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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.