Home / 99,118.03-136,783.85-53,796.41

Finding the Fourth Proportional to 99,118.03, 136,783.85 and 53,796.41

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Solution

The fourth proportional to 99,118.03, 136,783.85 and 53,796.41 is: 74,239.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,118.03 : 136,783.85 = 53,796.41 : x
  2. Step 2: Convert to fraction form
    99,118.03/136,783.85 = 53,796.41/x
  3. Step 3: Cross multiply
    99,118.03x = 136,783.85 × 53,796.41
  4. Step 4: Simplify right side
    99,118.03x = 7,358,480,075.98
  5. Step 5: Solve for x
    x = 7,358,480,075.98/99,118.03
  6. Step 6: Final answer
    x = 74,239.57

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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.