Home / 86,825.94-130,237.54-27,661.21

Finding the Fourth Proportional to 86,825.94, 130,237.54 and 27,661.21

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Solution

The fourth proportional to 86,825.94, 130,237.54 and 27,661.21 is: 41,491.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,825.94 : 130,237.54 = 27,661.21 : x
  2. Step 2: Convert to fraction form
    86,825.94/130,237.54 = 27,661.21/x
  3. Step 3: Cross multiply
    86,825.94x = 130,237.54 × 27,661.21
  4. Step 4: Simplify right side
    86,825.94x = 3,602,527,549.08
  5. Step 5: Solve for x
    x = 3,602,527,549.08/86,825.94
  6. Step 6: Final answer
    x = 41,491.38

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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.