Home / 49,702.65-68,554.25-30,557.34

Finding the Fourth Proportional to 49,702.65, 68,554.25 and 30,557.34

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Solution

The fourth proportional to 49,702.65, 68,554.25 and 30,557.34 is: 42,147.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,702.65 : 68,554.25 = 30,557.34 : x
  2. Step 2: Convert to fraction form
    49,702.65/68,554.25 = 30,557.34/x
  3. Step 3: Cross multiply
    49,702.65x = 68,554.25 × 30,557.34
  4. Step 4: Simplify right side
    49,702.65x = 2,094,835,824.91
  5. Step 5: Solve for x
    x = 2,094,835,824.91/49,702.65
  6. Step 6: Final answer
    x = 42,147.37

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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.