Home / 105,967.32-158,666.40-55,943.34

Finding the Fourth Proportional to 105,967.32, 158,666.40 and 55,943.34

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Solution

The fourth proportional to 105,967.32, 158,666.40 and 55,943.34 is: 83,764.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,967.32 : 158,666.40 = 55,943.34 : x
  2. Step 2: Convert to fraction form
    105,967.32/158,666.40 = 55,943.34/x
  3. Step 3: Cross multiply
    105,967.32x = 158,666.40 × 55,943.34
  4. Step 4: Simplify right side
    105,967.32x = 8,876,328,361.78
  5. Step 5: Solve for x
    x = 8,876,328,361.78/105,967.32
  6. Step 6: Final answer
    x = 83,764.77

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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.