Home / 86,406.39-119,274.26-67,549.59

Finding the Fourth Proportional to 86,406.39, 119,274.26 and 67,549.59

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Solution

The fourth proportional to 86,406.39, 119,274.26 and 67,549.59 is: 93,244.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,406.39 : 119,274.26 = 67,549.59 : x
  2. Step 2: Convert to fraction form
    86,406.39/119,274.26 = 67,549.59/x
  3. Step 3: Cross multiply
    86,406.39x = 119,274.26 × 67,549.59
  4. Step 4: Simplify right side
    86,406.39x = 8,056,927,022.81
  5. Step 5: Solve for x
    x = 8,056,927,022.81/86,406.39
  6. Step 6: Final answer
    x = 93,244.57

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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.