Home / 86,465.07-129,716.82-26,501.85

Finding the Fourth Proportional to 86,465.07, 129,716.82 and 26,501.85

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Solution

The fourth proportional to 86,465.07, 129,716.82 and 26,501.85 is: 39,758.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,465.07 : 129,716.82 = 26,501.85 : x
  2. Step 2: Convert to fraction form
    86,465.07/129,716.82 = 26,501.85/x
  3. Step 3: Cross multiply
    86,465.07x = 129,716.82 × 26,501.85
  4. Step 4: Simplify right side
    86,465.07x = 3,437,735,706.12
  5. Step 5: Solve for x
    x = 3,437,735,706.12/86,465.07
  6. Step 6: Final answer
    x = 39,758.66

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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.