Home / 54,656.10-75,426.27-30,457.08

Finding the Fourth Proportional to 54,656.10, 75,426.27 and 30,457.08

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Solution

The fourth proportional to 54,656.10, 75,426.27 and 30,457.08 is: 42,031.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,656.10 : 75,426.27 = 30,457.08 : x
  2. Step 2: Convert to fraction form
    54,656.10/75,426.27 = 30,457.08/x
  3. Step 3: Cross multiply
    54,656.10x = 75,426.27 × 30,457.08
  4. Step 4: Simplify right side
    54,656.10x = 2,297,263,939.49
  5. Step 5: Solve for x
    x = 2,297,263,939.49/54,656.10
  6. Step 6: Final answer
    x = 42,031.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.