Home / 54,055.23-81,079.80-14,609.45

Finding the Fourth Proportional to 54,055.23, 81,079.80 and 14,609.45

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Solution

The fourth proportional to 54,055.23, 81,079.80 and 14,609.45 is: 21,913.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,055.23 : 81,079.80 = 14,609.45 : x
  2. Step 2: Convert to fraction form
    54,055.23/81,079.80 = 14,609.45/x
  3. Step 3: Cross multiply
    54,055.23x = 81,079.80 × 14,609.45
  4. Step 4: Simplify right side
    54,055.23x = 1,184,530,878.71
  5. Step 5: Solve for x
    x = 1,184,530,878.71/54,055.23
  6. Step 6: Final answer
    x = 21,913.34

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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.