Home / 85,033.36-117,346.08-47,307.64

Finding the Fourth Proportional to 85,033.36, 117,346.08 and 47,307.64

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Solution

The fourth proportional to 85,033.36, 117,346.08 and 47,307.64 is: 65,284.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,033.36 : 117,346.08 = 47,307.64 : x
  2. Step 2: Convert to fraction form
    85,033.36/117,346.08 = 47,307.64/x
  3. Step 3: Cross multiply
    85,033.36x = 117,346.08 × 47,307.64
  4. Step 4: Simplify right side
    85,033.36x = 5,551,366,108.05
  5. Step 5: Solve for x
    x = 5,551,366,108.05/85,033.36
  6. Step 6: Final answer
    x = 65,284.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.