Home / 90,922.70-136,381.80-24,362.76

Finding the Fourth Proportional to 90,922.70, 136,381.80 and 24,362.76

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Solution

The fourth proportional to 90,922.70, 136,381.80 and 24,362.76 is: 36,543.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,922.70 : 136,381.80 = 24,362.76 : x
  2. Step 2: Convert to fraction form
    90,922.70/136,381.80 = 24,362.76/x
  3. Step 3: Cross multiply
    90,922.70x = 136,381.80 × 24,362.76
  4. Step 4: Simplify right side
    90,922.70x = 3,322,637,061.77
  5. Step 5: Solve for x
    x = 3,322,637,061.77/90,922.70
  6. Step 6: Final answer
    x = 36,543.54

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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.