Home / 65,119.24-89,864.10-35,311.24

Finding the Fourth Proportional to 65,119.24, 89,864.10 and 35,311.24

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Solution

The fourth proportional to 65,119.24, 89,864.10 and 35,311.24 is: 48,729.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,119.24 : 89,864.10 = 35,311.24 : x
  2. Step 2: Convert to fraction form
    65,119.24/89,864.10 = 35,311.24/x
  3. Step 3: Cross multiply
    65,119.24x = 89,864.10 × 35,311.24
  4. Step 4: Simplify right side
    65,119.24x = 3,173,212,802.48
  5. Step 5: Solve for x
    x = 3,173,212,802.48/65,119.24
  6. Step 6: Final answer
    x = 48,729.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.