Home / 105,401.45-157,848.84-60,286.08

Finding the Fourth Proportional to 105,401.45, 157,848.84 and 60,286.08

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Solution

The fourth proportional to 105,401.45, 157,848.84 and 60,286.08 is: 90,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,401.45 : 157,848.84 = 60,286.08 : x
  2. Step 2: Convert to fraction form
    105,401.45/157,848.84 = 60,286.08/x
  3. Step 3: Cross multiply
    105,401.45x = 157,848.84 × 60,286.08
  4. Step 4: Simplify right side
    105,401.45x = 9,516,088,388.08
  5. Step 5: Solve for x
    x = 9,516,088,388.08/105,401.45
  6. Step 6: Final answer
    x = 90,284.22

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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.