Home / 103,956.48-143,459.84-58,634.35

Finding the Fourth Proportional to 103,956.48, 143,459.84 and 58,634.35

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Solution

The fourth proportional to 103,956.48, 143,459.84 and 58,634.35 is: 80,915.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,956.48 : 143,459.84 = 58,634.35 : x
  2. Step 2: Convert to fraction form
    103,956.48/143,459.84 = 58,634.35/x
  3. Step 3: Cross multiply
    103,956.48x = 143,459.84 × 58,634.35
  4. Step 4: Simplify right side
    103,956.48x = 8,411,674,257.44
  5. Step 5: Solve for x
    x = 8,411,674,257.44/103,956.48
  6. Step 6: Final answer
    x = 80,915.34

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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.