Home / 86,813.40-130,195.80-27,667.20

Finding the Fourth Proportional to 86,813.40, 130,195.80 and 27,667.20

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Solution

The fourth proportional to 86,813.40, 130,195.80 and 27,667.20 is: 41,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,813.40 : 130,195.80 = 27,667.20 : x
  2. Step 2: Convert to fraction form
    86,813.40/130,195.80 = 27,667.20/x
  3. Step 3: Cross multiply
    86,813.40x = 130,195.80 × 27,667.20
  4. Step 4: Simplify right side
    86,813.40x = 3,602,153,237.76
  5. Step 5: Solve for x
    x = 3,602,153,237.76/86,813.40
  6. Step 6: Final answer
    x = 41,493.06

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1.5x scale

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.