Home / 46,152.81-69,228.22-12,871.99

Finding the Fourth Proportional to 46,152.81, 69,228.22 and 12,871.99

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Solution

The fourth proportional to 46,152.81, 69,228.22 and 12,871.99 is: 19,307.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,152.81 : 69,228.22 = 12,871.99 : x
  2. Step 2: Convert to fraction form
    46,152.81/69,228.22 = 12,871.99/x
  3. Step 3: Cross multiply
    46,152.81x = 69,228.22 × 12,871.99
  4. Step 4: Simplify right side
    46,152.81x = 891,104,955.56
  5. Step 5: Solve for x
    x = 891,104,955.56/46,152.81
  6. Step 6: Final answer
    x = 19,307.71

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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.