Home / 69,529.85-95,950.64-39,315.17

Finding the Fourth Proportional to 69,529.85, 95,950.64 and 39,315.17

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Solution

The fourth proportional to 69,529.85, 95,950.64 and 39,315.17 is: 54,254.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,529.85 : 95,950.64 = 39,315.17 : x
  2. Step 2: Convert to fraction form
    69,529.85/95,950.64 = 39,315.17/x
  3. Step 3: Cross multiply
    69,529.85x = 95,950.64 × 39,315.17
  4. Step 4: Simplify right side
    69,529.85x = 3,772,315,526.63
  5. Step 5: Solve for x
    x = 3,772,315,526.63/69,529.85
  6. Step 6: Final answer
    x = 54,254.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.