Home / 86,497.47-119,378.43-50,701.77

Finding the Fourth Proportional to 86,497.47, 119,378.43 and 50,701.77

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Solution

The fourth proportional to 86,497.47, 119,378.43 and 50,701.77 is: 69,975.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,497.47 : 119,378.43 = 50,701.77 : x
  2. Step 2: Convert to fraction form
    86,497.47/119,378.43 = 50,701.77/x
  3. Step 3: Cross multiply
    86,497.47x = 119,378.43 × 50,701.77
  4. Step 4: Simplify right side
    86,497.47x = 6,052,697,700.82
  5. Step 5: Solve for x
    x = 6,052,697,700.82/86,497.47
  6. Step 6: Final answer
    x = 69,975.43

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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.