Home / 92,047.50-138,072.93-28,866.21

Finding the Fourth Proportional to 92,047.50, 138,072.93 and 28,866.21

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Solution

The fourth proportional to 92,047.50, 138,072.93 and 28,866.21 is: 43,299.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,047.50 : 138,072.93 = 28,866.21 : x
  2. Step 2: Convert to fraction form
    92,047.50/138,072.93 = 28,866.21/x
  3. Step 3: Cross multiply
    92,047.50x = 138,072.93 × 28,866.21
  4. Step 4: Simplify right side
    92,047.50x = 3,985,642,192.70
  5. Step 5: Solve for x
    x = 3,985,642,192.70/92,047.50
  6. Step 6: Final answer
    x = 43,299.84

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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.