Home / 55,119.84-75,952.80-52,142.46

Finding the Fourth Proportional to 55,119.84, 75,952.80 and 52,142.46

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Solution

The fourth proportional to 55,119.84, 75,952.80 and 52,142.46 is: 71,850.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,119.84 : 75,952.80 = 52,142.46 : x
  2. Step 2: Convert to fraction form
    55,119.84/75,952.80 = 52,142.46/x
  3. Step 3: Cross multiply
    55,119.84x = 75,952.80 × 52,142.46
  4. Step 4: Simplify right side
    55,119.84x = 3,960,365,835.89
  5. Step 5: Solve for x
    x = 3,960,365,835.89/55,119.84
  6. Step 6: Final answer
    x = 71,850.10

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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.