Home / 86,816.96-130,225.36-40,044.32

Finding the Fourth Proportional to 86,816.96, 130,225.36 and 40,044.32

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Solution

The fourth proportional to 86,816.96, 130,225.36 and 40,044.32 is: 60,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,816.96 : 130,225.36 = 40,044.32 : x
  2. Step 2: Convert to fraction form
    86,816.96/130,225.36 = 40,044.32/x
  3. Step 3: Cross multiply
    86,816.96x = 130,225.36 × 40,044.32
  4. Step 4: Simplify right side
    86,816.96x = 5,214,785,987.96
  5. Step 5: Solve for x
    x = 5,214,785,987.96/86,816.96
  6. Step 6: Final answer
    x = 60,066.44

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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.