Home / 104,102.84-143,661.89-56,356.16

Finding the Fourth Proportional to 104,102.84, 143,661.89 and 56,356.16

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Solution

The fourth proportional to 104,102.84, 143,661.89 and 56,356.16 is: 77,771.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,102.84 : 143,661.89 = 56,356.16 : x
  2. Step 2: Convert to fraction form
    104,102.84/143,661.89 = 56,356.16/x
  3. Step 3: Cross multiply
    104,102.84x = 143,661.89 × 56,356.16
  4. Step 4: Simplify right side
    104,102.84x = 8,096,232,458.74
  5. Step 5: Solve for x
    x = 8,096,232,458.74/104,102.84
  6. Step 6: Final answer
    x = 77,771.48

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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.