Home / 54,457.28-75,167.36-31,802.40

Finding the Fourth Proportional to 54,457.28, 75,167.36 and 31,802.40

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Solution

The fourth proportional to 54,457.28, 75,167.36 and 31,802.40 is: 43,896.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,457.28 : 75,167.36 = 31,802.40 : x
  2. Step 2: Convert to fraction form
    54,457.28/75,167.36 = 31,802.40/x
  3. Step 3: Cross multiply
    54,457.28x = 75,167.36 × 31,802.40
  4. Step 4: Simplify right side
    54,457.28x = 2,390,502,449.66
  5. Step 5: Solve for x
    x = 2,390,502,449.66/54,457.28
  6. Step 6: Final answer
    x = 43,896.84

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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.