Home / 100,030.32-150,045.48-29,907.36

Finding the Fourth Proportional to 100,030.32, 150,045.48 and 29,907.36

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Solution

The fourth proportional to 100,030.32, 150,045.48 and 29,907.36 is: 44,861.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,030.32 : 150,045.48 = 29,907.36 : x
  2. Step 2: Convert to fraction form
    100,030.32/150,045.48 = 29,907.36/x
  3. Step 3: Cross multiply
    100,030.32x = 150,045.48 × 29,907.36
  4. Step 4: Simplify right side
    100,030.32x = 4,487,464,186.73
  5. Step 5: Solve for x
    x = 4,487,464,186.73/100,030.32
  6. Step 6: Final answer
    x = 44,861.04

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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.