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Finding the Fourth Proportional to 61,055.55, 91,583.33 and 61,055.55

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Solution

The fourth proportional to 61,055.55, 91,583.33 and 61,055.55 is: 91,583.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,055.55 : 91,583.33 = 61,055.55 : x
  2. Step 2: Convert to fraction form
    61,055.55/91,583.33 = 61,055.55/x
  3. Step 3: Cross multiply
    61,055.55x = 91,583.33 × 61,055.55
  4. Step 4: Simplify right side
    61,055.55x = 5,591,670,278.70
  5. Step 5: Solve for x
    x = 5,591,670,278.70/61,055.55
  6. Step 6: Final answer
    x = 91,583.33

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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.