Home / 45,625.25-68,437.80-14,458.07

Finding the Fourth Proportional to 45,625.25, 68,437.80 and 14,458.07

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Solution

The fourth proportional to 45,625.25, 68,437.80 and 14,458.07 is: 21,687.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,625.25 : 68,437.80 = 14,458.07 : x
  2. Step 2: Convert to fraction form
    45,625.25/68,437.80 = 14,458.07/x
  3. Step 3: Cross multiply
    45,625.25x = 68,437.80 × 14,458.07
  4. Step 4: Simplify right side
    45,625.25x = 989,478,160.86
  5. Step 5: Solve for x
    x = 989,478,160.86/45,625.25
  6. Step 6: Final answer
    x = 21,687.08

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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.