Home / 105,392.00-145,446.28-62,396.18

Finding the Fourth Proportional to 105,392.00, 145,446.28 and 62,396.18

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Solution

The fourth proportional to 105,392.00, 145,446.28 and 62,396.18 is: 86,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,392.00 : 145,446.28 = 62,396.18 : x
  2. Step 2: Convert to fraction form
    105,392.00/145,446.28 = 62,396.18/x
  3. Step 3: Cross multiply
    105,392.00x = 145,446.28 × 62,396.18
  4. Step 4: Simplify right side
    105,392.00x = 9,075,291,383.99
  5. Step 5: Solve for x
    x = 9,075,291,383.99/105,392.00
  6. Step 6: Final answer
    x = 86,109.87

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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.