Home / 99,783.36-149,707.98-47,186.01

Finding the Fourth Proportional to 99,783.36, 149,707.98 and 47,186.01

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Solution

The fourth proportional to 99,783.36, 149,707.98 and 47,186.01 is: 70,794.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,783.36 : 149,707.98 = 47,186.01 : x
  2. Step 2: Convert to fraction form
    99,783.36/149,707.98 = 47,186.01/x
  3. Step 3: Cross multiply
    99,783.36x = 149,707.98 × 47,186.01
  4. Step 4: Simplify right side
    99,783.36x = 7,064,122,241.36
  5. Step 5: Solve for x
    x = 7,064,122,241.36/99,783.36
  6. Step 6: Final answer
    x = 70,794.59

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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.