Home / 86,911.84-119,967.20-52,942.26

Finding the Fourth Proportional to 86,911.84, 119,967.20 and 52,942.26

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Solution

The fourth proportional to 86,911.84, 119,967.20 and 52,942.26 is: 73,077.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,911.84 : 119,967.20 = 52,942.26 : x
  2. Step 2: Convert to fraction form
    86,911.84/119,967.20 = 52,942.26/x
  3. Step 3: Cross multiply
    86,911.84x = 119,967.20 × 52,942.26
  4. Step 4: Simplify right side
    86,911.84x = 6,351,334,551.66
  5. Step 5: Solve for x
    x = 6,351,334,551.66/86,911.84
  6. Step 6: Final answer
    x = 73,077.90

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1.5x scale

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.