Home / 66,000.36-99,010.26-19,247.16

Finding the Fourth Proportional to 66,000.36, 99,010.26 and 19,247.16

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Solution

The fourth proportional to 66,000.36, 99,010.26 and 19,247.16 is: 28,873.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,000.36 : 99,010.26 = 19,247.16 : x
  2. Step 2: Convert to fraction form
    66,000.36/99,010.26 = 19,247.16/x
  3. Step 3: Cross multiply
    66,000.36x = 99,010.26 × 19,247.16
  4. Step 4: Simplify right side
    66,000.36x = 1,905,666,315.86
  5. Step 5: Solve for x
    x = 1,905,666,315.86/66,000.36
  6. Step 6: Final answer
    x = 28,873.57

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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.