Home / 46,506.61-69,759.76-12,772.66

Finding the Fourth Proportional to 46,506.61, 69,759.76 and 12,772.66

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Solution

The fourth proportional to 46,506.61, 69,759.76 and 12,772.66 is: 19,158.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,506.61 : 69,759.76 = 12,772.66 : x
  2. Step 2: Convert to fraction form
    46,506.61/69,759.76 = 12,772.66/x
  3. Step 3: Cross multiply
    46,506.61x = 69,759.76 × 12,772.66
  4. Step 4: Simplify right side
    46,506.61x = 891,017,412.46
  5. Step 5: Solve for x
    x = 891,017,412.46/46,506.61
  6. Step 6: Final answer
    x = 19,158.94

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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.