Home / 66,012.54-99,023.13-19,261.50

Finding the Fourth Proportional to 66,012.54, 99,023.13 and 19,261.50

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Solution

The fourth proportional to 66,012.54, 99,023.13 and 19,261.50 is: 28,893.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,012.54 : 99,023.13 = 19,261.50 : x
  2. Step 2: Convert to fraction form
    66,012.54/99,023.13 = 19,261.50/x
  3. Step 3: Cross multiply
    66,012.54x = 99,023.13 × 19,261.50
  4. Step 4: Simplify right side
    66,012.54x = 1,907,334,018.50
  5. Step 5: Solve for x
    x = 1,907,334,018.50/66,012.54
  6. Step 6: Final answer
    x = 28,893.51

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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.