Home / 86,946.86-130,415.98-50,943.71

Finding the Fourth Proportional to 86,946.86, 130,415.98 and 50,943.71

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Solution

The fourth proportional to 86,946.86, 130,415.98 and 50,943.71 is: 76,413.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,946.86 : 130,415.98 = 50,943.71 : x
  2. Step 2: Convert to fraction form
    86,946.86/130,415.98 = 50,943.71/x
  3. Step 3: Cross multiply
    86,946.86x = 130,415.98 × 50,943.71
  4. Step 4: Simplify right side
    86,946.86x = 6,643,873,864.49
  5. Step 5: Solve for x
    x = 6,643,873,864.49/86,946.86
  6. Step 6: Final answer
    x = 76,413.04

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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.