Home / 45,712.35-68,575.08-14,125.17

Finding the Fourth Proportional to 45,712.35, 68,575.08 and 14,125.17

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Solution

The fourth proportional to 45,712.35, 68,575.08 and 14,125.17 is: 21,189.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,712.35 : 68,575.08 = 14,125.17 : x
  2. Step 2: Convert to fraction form
    45,712.35/68,575.08 = 14,125.17/x
  3. Step 3: Cross multiply
    45,712.35x = 68,575.08 × 14,125.17
  4. Step 4: Simplify right side
    45,712.35x = 968,634,405.61
  5. Step 5: Solve for x
    x = 968,634,405.61/45,712.35
  6. Step 6: Final answer
    x = 21,189.78

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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.