Home / 74,863.90-112,262.76-28,083.94

Finding the Fourth Proportional to 74,863.90, 112,262.76 and 28,083.94

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Solution

The fourth proportional to 74,863.90, 112,262.76 and 28,083.94 is: 42,113.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,863.90 : 112,262.76 = 28,083.94 : x
  2. Step 2: Convert to fraction form
    74,863.90/112,262.76 = 28,083.94/x
  3. Step 3: Cross multiply
    74,863.90x = 112,262.76 × 28,083.94
  4. Step 4: Simplify right side
    74,863.90x = 3,152,780,616.07
  5. Step 5: Solve for x
    x = 3,152,780,616.07/74,863.90
  6. Step 6: Final answer
    x = 42,113.50

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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.