Home / 66,128.36-99,190.48-16,208.60

Finding the Fourth Proportional to 66,128.36, 99,190.48 and 16,208.60

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Solution

The fourth proportional to 66,128.36, 99,190.48 and 16,208.60 is: 24,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,128.36 : 99,190.48 = 16,208.60 : x
  2. Step 2: Convert to fraction form
    66,128.36/99,190.48 = 16,208.60/x
  3. Step 3: Cross multiply
    66,128.36x = 99,190.48 × 16,208.60
  4. Step 4: Simplify right side
    66,128.36x = 1,607,738,814.13
  5. Step 5: Solve for x
    x = 1,607,738,814.13/66,128.36
  6. Step 6: Final answer
    x = 24,312.40

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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.