Home / 72,427.10-108,511.05-44,692.70

Finding the Fourth Proportional to 72,427.10, 108,511.05 and 44,692.70

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Solution

The fourth proportional to 72,427.10, 108,511.05 and 44,692.70 is: 66,959.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,427.10 : 108,511.05 = 44,692.70 : x
  2. Step 2: Convert to fraction form
    72,427.10/108,511.05 = 44,692.70/x
  3. Step 3: Cross multiply
    72,427.10x = 108,511.05 × 44,692.70
  4. Step 4: Simplify right side
    72,427.10x = 4,849,651,804.34
  5. Step 5: Solve for x
    x = 4,849,651,804.34/72,427.10
  6. Step 6: Final answer
    x = 66,959.08

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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.