Home / 105,276.24-145,213.32-62,802

Finding the Fourth Proportional to 105,276.24, 145,213.32 and 62,802

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Solution

The fourth proportional to 105,276.24, 145,213.32 and 62,802 is: 86,626.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,276.24 : 145,213.32 = 62,802 : x
  2. Step 2: Convert to fraction form
    105,276.24/145,213.32 = 62,802/x
  3. Step 3: Cross multiply
    105,276.24x = 145,213.32 × 62,802
  4. Step 4: Simplify right side
    105,276.24x = 9,119,686,922.64
  5. Step 5: Solve for x
    x = 9,119,686,922.64/105,276.24
  6. Step 6: Final answer
    x = 86,626.26

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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.