Home / 86,964.50-130,444.89-23,784.62

Finding the Fourth Proportional to 86,964.50, 130,444.89 and 23,784.62

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Solution

The fourth proportional to 86,964.50, 130,444.89 and 23,784.62 is: 35,676.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,964.50 : 130,444.89 = 23,784.62 : x
  2. Step 2: Convert to fraction form
    86,964.50/130,444.89 = 23,784.62/x
  3. Step 3: Cross multiply
    86,964.50x = 130,444.89 × 23,784.62
  4. Step 4: Simplify right side
    86,964.50x = 3,102,582,139.59
  5. Step 5: Solve for x
    x = 3,102,582,139.59/86,964.50
  6. Step 6: Final answer
    x = 35,676.42

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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.