Home / 61,069.20-91,603.80-51,227.70

Finding the Fourth Proportional to 61,069.20, 91,603.80 and 51,227.70

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Solution

The fourth proportional to 61,069.20, 91,603.80 and 51,227.70 is: 76,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,069.20 : 91,603.80 = 51,227.70 : x
  2. Step 2: Convert to fraction form
    61,069.20/91,603.80 = 51,227.70/x
  3. Step 3: Cross multiply
    61,069.20x = 91,603.80 × 51,227.70
  4. Step 4: Simplify right side
    61,069.20x = 4,692,651,985.26
  5. Step 5: Solve for x
    x = 4,692,651,985.26/61,069.20
  6. Step 6: Final answer
    x = 76,841.55

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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.