Home / 100,429.12-150,656.05-44,283.36

Finding the Fourth Proportional to 100,429.12, 150,656.05 and 44,283.36

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Solution

The fourth proportional to 100,429.12, 150,656.05 and 44,283.36 is: 66,430.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,429.12 : 150,656.05 = 44,283.36 : x
  2. Step 2: Convert to fraction form
    100,429.12/150,656.05 = 44,283.36/x
  3. Step 3: Cross multiply
    100,429.12x = 150,656.05 × 44,283.36
  4. Step 4: Simplify right side
    100,429.12x = 6,671,555,871.20
  5. Step 5: Solve for x
    x = 6,671,555,871.20/100,429.12
  6. Step 6: Final answer
    x = 66,430.50

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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.