Home / 71,256.10-106,899.38-26,277.57

Finding the Fourth Proportional to 71,256.10, 106,899.38 and 26,277.57

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Solution

The fourth proportional to 71,256.10, 106,899.38 and 26,277.57 is: 39,421.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,256.10 : 106,899.38 = 26,277.57 : x
  2. Step 2: Convert to fraction form
    71,256.10/106,899.38 = 26,277.57/x
  3. Step 3: Cross multiply
    71,256.10x = 106,899.38 × 26,277.57
  4. Step 4: Simplify right side
    71,256.10x = 2,809,056,208.71
  5. Step 5: Solve for x
    x = 2,809,056,208.71/71,256.10
  6. Step 6: Final answer
    x = 39,421.98

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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.