Home / 85,834.98-128,741.49-26,669.34

Finding the Fourth Proportional to 85,834.98, 128,741.49 and 26,669.34

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Solution

The fourth proportional to 85,834.98, 128,741.49 and 26,669.34 is: 40,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,834.98 : 128,741.49 = 26,669.34 : x
  2. Step 2: Convert to fraction form
    85,834.98/128,741.49 = 26,669.34/x
  3. Step 3: Cross multiply
    85,834.98x = 128,741.49 × 26,669.34
  4. Step 4: Simplify right side
    85,834.98x = 3,433,450,568.92
  5. Step 5: Solve for x
    x = 3,433,450,568.92/85,834.98
  6. Step 6: Final answer
    x = 40,000.60

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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.