Home / 103,085.07-154,644.41-36,510.76

Finding the Fourth Proportional to 103,085.07, 154,644.41 and 36,510.76

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Solution

The fourth proportional to 103,085.07, 154,644.41 and 36,510.76 is: 54,772.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,085.07 : 154,644.41 = 36,510.76 : x
  2. Step 2: Convert to fraction form
    103,085.07/154,644.41 = 36,510.76/x
  3. Step 3: Cross multiply
    103,085.07x = 154,644.41 × 36,510.76
  4. Step 4: Simplify right side
    103,085.07x = 5,646,184,938.85
  5. Step 5: Solve for x
    x = 5,646,184,938.85/103,085.07
  6. Step 6: Final answer
    x = 54,772.09

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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.