Home / 89,274.95-133,708.30-58,015.43

Finding the Fourth Proportional to 89,274.95, 133,708.30 and 58,015.43

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Solution

The fourth proportional to 89,274.95, 133,708.30 and 58,015.43 is: 86,890.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,274.95 : 133,708.30 = 58,015.43 : x
  2. Step 2: Convert to fraction form
    89,274.95/133,708.30 = 58,015.43/x
  3. Step 3: Cross multiply
    89,274.95x = 133,708.30 × 58,015.43
  4. Step 4: Simplify right side
    89,274.95x = 7,757,144,519.07
  5. Step 5: Solve for x
    x = 7,757,144,519.07/89,274.95
  6. Step 6: Final answer
    x = 86,890.49

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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.