Home / 45,649.74-68,485.68-14,485.26

Finding the Fourth Proportional to 45,649.74, 68,485.68 and 14,485.26

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Solution

The fourth proportional to 45,649.74, 68,485.68 and 14,485.26 is: 21,731.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,649.74 : 68,485.68 = 14,485.26 : x
  2. Step 2: Convert to fraction form
    45,649.74/68,485.68 = 14,485.26/x
  3. Step 3: Cross multiply
    45,649.74x = 68,485.68 × 14,485.26
  4. Step 4: Simplify right side
    45,649.74x = 992,032,881.08
  5. Step 5: Solve for x
    x = 992,032,881.08/45,649.74
  6. Step 6: Final answer
    x = 21,731.40

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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.