Home / 86,922.88-130,381.52-27,762.16

Finding the Fourth Proportional to 86,922.88, 130,381.52 and 27,762.16

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Solution

The fourth proportional to 86,922.88, 130,381.52 and 27,762.16 is: 41,642.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,922.88 : 130,381.52 = 27,762.16 : x
  2. Step 2: Convert to fraction form
    86,922.88/130,381.52 = 27,762.16/x
  3. Step 3: Cross multiply
    86,922.88x = 130,381.52 × 27,762.16
  4. Step 4: Simplify right side
    86,922.88x = 3,619,672,619.28
  5. Step 5: Solve for x
    x = 3,619,672,619.28/86,922.88
  6. Step 6: Final answer
    x = 41,642.35

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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.