Home / 81,505.35-122,258.03-46,513.35

Finding the Fourth Proportional to 81,505.35, 122,258.03 and 46,513.35

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Solution

The fourth proportional to 81,505.35, 122,258.03 and 46,513.35 is: 69,770.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,505.35 : 122,258.03 = 46,513.35 : x
  2. Step 2: Convert to fraction form
    81,505.35/122,258.03 = 46,513.35/x
  3. Step 3: Cross multiply
    81,505.35x = 122,258.03 × 46,513.35
  4. Step 4: Simplify right side
    81,505.35x = 5,686,630,307.13
  5. Step 5: Solve for x
    x = 5,686,630,307.13/81,505.35
  6. Step 6: Final answer
    x = 69,770.03

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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.