Home / 66,084.64-99,114.36-18,699.34

Finding the Fourth Proportional to 66,084.64, 99,114.36 and 18,699.34

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Solution

The fourth proportional to 66,084.64, 99,114.36 and 18,699.34 is: 28,045.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,084.64 : 99,114.36 = 18,699.34 : x
  2. Step 2: Convert to fraction form
    66,084.64/99,114.36 = 18,699.34/x
  3. Step 3: Cross multiply
    66,084.64x = 99,114.36 × 18,699.34
  4. Step 4: Simplify right side
    66,084.64x = 1,853,373,116.52
  5. Step 5: Solve for x
    x = 1,853,373,116.52/66,084.64
  6. Step 6: Final answer
    x = 28,045.44

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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.