Home / 66,058.50-99,087.75-19,311.38

Finding the Fourth Proportional to 66,058.50, 99,087.75 and 19,311.38

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Solution

The fourth proportional to 66,058.50, 99,087.75 and 19,311.38 is: 28,967.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,058.50 : 99,087.75 = 19,311.38 : x
  2. Step 2: Convert to fraction form
    66,058.50/99,087.75 = 19,311.38/x
  3. Step 3: Cross multiply
    66,058.50x = 99,087.75 × 19,311.38
  4. Step 4: Simplify right side
    66,058.50x = 1,913,520,698.16
  5. Step 5: Solve for x
    x = 1,913,520,698.16/66,058.50
  6. Step 6: Final answer
    x = 28,967.06

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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.