Home / 282,445.50-423,667.86-72,083.43

Finding the Fourth Proportional to 282,445.50, 423,667.86 and 72,083.43

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Solution

The fourth proportional to 282,445.50, 423,667.86 and 72,083.43 is: 108,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,445.50 : 423,667.86 = 72,083.43 : x
  2. Step 2: Convert to fraction form
    282,445.50/423,667.86 = 72,083.43/x
  3. Step 3: Cross multiply
    282,445.50x = 423,667.86 × 72,083.43
  4. Step 4: Simplify right side
    282,445.50x = 30,539,432,529.56
  5. Step 5: Solve for x
    x = 30,539,432,529.56/282,445.50
  6. Step 6: Final answer
    x = 108,125.05

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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.