Home / 74,936.07-112,401.51-18,776.67

Finding the Fourth Proportional to 74,936.07, 112,401.51 and 18,776.67

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Solution

The fourth proportional to 74,936.07, 112,401.51 and 18,776.67 is: 28,164.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,936.07 : 112,401.51 = 18,776.67 : x
  2. Step 2: Convert to fraction form
    74,936.07/112,401.51 = 18,776.67/x
  3. Step 3: Cross multiply
    74,936.07x = 112,401.51 × 18,776.67
  4. Step 4: Simplify right side
    74,936.07x = 2,110,526,060.77
  5. Step 5: Solve for x
    x = 2,110,526,060.77/74,936.07
  6. Step 6: Final answer
    x = 28,164.35

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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.