Home / 86,884.25-119,908.55-52,885.31

Finding the Fourth Proportional to 86,884.25, 119,908.55 and 52,885.31

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Solution

The fourth proportional to 86,884.25, 119,908.55 and 52,885.31 is: 72,986.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,884.25 : 119,908.55 = 52,885.31 : x
  2. Step 2: Convert to fraction form
    86,884.25/119,908.55 = 52,885.31/x
  3. Step 3: Cross multiply
    86,884.25x = 119,908.55 × 52,885.31
  4. Step 4: Simplify right side
    86,884.25x = 6,341,400,371.07
  5. Step 5: Solve for x
    x = 6,341,400,371.07/86,884.25
  6. Step 6: Final answer
    x = 72,986.77

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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.