Home / 86,623.12-129,924.60-23,440.24

Finding the Fourth Proportional to 86,623.12, 129,924.60 and 23,440.24

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Solution

The fourth proportional to 86,623.12, 129,924.60 and 23,440.24 is: 35,157.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,623.12 : 129,924.60 = 23,440.24 : x
  2. Step 2: Convert to fraction form
    86,623.12/129,924.60 = 23,440.24/x
  3. Step 3: Cross multiply
    86,623.12x = 129,924.60 × 23,440.24
  4. Step 4: Simplify right side
    86,623.12x = 3,045,463,805.90
  5. Step 5: Solve for x
    x = 3,045,463,805.90/86,623.12
  6. Step 6: Final answer
    x = 35,157.63

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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.