Home / 100,623.36-150,868.80-56,315.52

Finding the Fourth Proportional to 100,623.36, 150,868.80 and 56,315.52

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Solution

The fourth proportional to 100,623.36, 150,868.80 and 56,315.52 is: 84,436.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,623.36 : 150,868.80 = 56,315.52 : x
  2. Step 2: Convert to fraction form
    100,623.36/150,868.80 = 56,315.52/x
  3. Step 3: Cross multiply
    100,623.36x = 150,868.80 × 56,315.52
  4. Step 4: Simplify right side
    100,623.36x = 8,496,254,923.78
  5. Step 5: Solve for x
    x = 8,496,254,923.78/100,623.36
  6. Step 6: Final answer
    x = 84,436.21

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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.