Home / 49,577.40-74,364.84-12,137.13

Finding the Fourth Proportional to 49,577.40, 74,364.84 and 12,137.13

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Solution

The fourth proportional to 49,577.40, 74,364.84 and 12,137.13 is: 18,205.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,577.40 : 74,364.84 = 12,137.13 : x
  2. Step 2: Convert to fraction form
    49,577.40/74,364.84 = 12,137.13/x
  3. Step 3: Cross multiply
    49,577.40x = 74,364.84 × 12,137.13
  4. Step 4: Simplify right side
    49,577.40x = 902,575,730.51
  5. Step 5: Solve for x
    x = 902,575,730.51/49,577.40
  6. Step 6: Final answer
    x = 18,205.39

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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.