Home / 48,713.06-72,858.51-28,674.80

Finding the Fourth Proportional to 48,713.06, 72,858.51 and 28,674.80

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Solution

The fourth proportional to 48,713.06, 72,858.51 and 28,674.80 is: 42,887.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,713.06 : 72,858.51 = 28,674.80 : x
  2. Step 2: Convert to fraction form
    48,713.06/72,858.51 = 28,674.80/x
  3. Step 3: Cross multiply
    48,713.06x = 72,858.51 × 28,674.80
  4. Step 4: Simplify right side
    48,713.06x = 2,089,203,111.47
  5. Step 5: Solve for x
    x = 2,089,203,111.47/48,713.06
  6. Step 6: Final answer
    x = 42,887.94

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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.