Home / 66,142.98-99,110.79-56,241.54

Finding the Fourth Proportional to 66,142.98, 99,110.79 and 56,241.54

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Solution

The fourth proportional to 66,142.98, 99,110.79 and 56,241.54 is: 84,274.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,142.98 : 99,110.79 = 56,241.54 : x
  2. Step 2: Convert to fraction form
    66,142.98/99,110.79 = 56,241.54/x
  3. Step 3: Cross multiply
    66,142.98x = 99,110.79 × 56,241.54
  4. Step 4: Simplify right side
    66,142.98x = 5,574,143,460.22
  5. Step 5: Solve for x
    x = 5,574,143,460.22/66,142.98
  6. Step 6: Final answer
    x = 84,274.15

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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.