Home / 45,795.02-68,727.66-20,502.32

Finding the Fourth Proportional to 45,795.02, 68,727.66 and 20,502.32

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Solution

The fourth proportional to 45,795.02, 68,727.66 and 20,502.32 is: 30,769.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,795.02 : 68,727.66 = 20,502.32 : x
  2. Step 2: Convert to fraction form
    45,795.02/68,727.66 = 20,502.32/x
  3. Step 3: Cross multiply
    45,795.02x = 68,727.66 × 20,502.32
  4. Step 4: Simplify right side
    45,795.02x = 1,409,076,478.17
  5. Step 5: Solve for x
    x = 1,409,076,478.17/45,795.02
  6. Step 6: Final answer
    x = 30,769.21

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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.