Home / 85,322.77-127,942.03-26,144.17

Finding the Fourth Proportional to 85,322.77, 127,942.03 and 26,144.17

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Solution

The fourth proportional to 85,322.77, 127,942.03 and 26,144.17 is: 39,203.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,322.77 : 127,942.03 = 26,144.17 : x
  2. Step 2: Convert to fraction form
    85,322.77/127,942.03 = 26,144.17/x
  3. Step 3: Cross multiply
    85,322.77x = 127,942.03 × 26,144.17
  4. Step 4: Simplify right side
    85,322.77x = 3,344,937,895.29
  5. Step 5: Solve for x
    x = 3,344,937,895.29/85,322.77
  6. Step 6: Final answer
    x = 39,203.35

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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.