Home / 61,968.20-92,955.18-20,415.56

Finding the Fourth Proportional to 61,968.20, 92,955.18 and 20,415.56

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Solution

The fourth proportional to 61,968.20, 92,955.18 and 20,415.56 is: 30,624.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,968.20 : 92,955.18 = 20,415.56 : x
  2. Step 2: Convert to fraction form
    61,968.20/92,955.18 = 20,415.56/x
  3. Step 3: Cross multiply
    61,968.20x = 92,955.18 × 20,415.56
  4. Step 4: Simplify right side
    61,968.20x = 1,897,732,054.60
  5. Step 5: Solve for x
    x = 1,897,732,054.60/61,968.20
  6. Step 6: Final answer
    x = 30,624.29

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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.