Home / 45,686.08-68,563.74-19,409.26

Finding the Fourth Proportional to 45,686.08, 68,563.74 and 19,409.26

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Solution

The fourth proportional to 45,686.08, 68,563.74 and 19,409.26 is: 29,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,686.08 : 68,563.74 = 19,409.26 : x
  2. Step 2: Convert to fraction form
    45,686.08/68,563.74 = 19,409.26/x
  3. Step 3: Cross multiply
    45,686.08x = 68,563.74 × 19,409.26
  4. Step 4: Simplify right side
    45,686.08x = 1,330,771,456.23
  5. Step 5: Solve for x
    x = 1,330,771,456.23/45,686.08
  6. Step 6: Final answer
    x = 29,128.60

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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.