Home / 101,933.89-140,673.44-56,612.07

Finding the Fourth Proportional to 101,933.89, 140,673.44 and 56,612.07

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Solution

The fourth proportional to 101,933.89, 140,673.44 and 56,612.07 is: 78,127.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,933.89 : 140,673.44 = 56,612.07 : x
  2. Step 2: Convert to fraction form
    101,933.89/140,673.44 = 56,612.07/x
  3. Step 3: Cross multiply
    101,933.89x = 140,673.44 × 56,612.07
  4. Step 4: Simplify right side
    101,933.89x = 7,963,814,773.95
  5. Step 5: Solve for x
    x = 7,963,814,773.95/101,933.89
  6. Step 6: Final answer
    x = 78,127.25

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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.