Home / 53,954.78-74,457.93-31,307.26

Finding the Fourth Proportional to 53,954.78, 74,457.93 and 31,307.26

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Solution

The fourth proportional to 53,954.78, 74,457.93 and 31,307.26 is: 43,204.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,954.78 : 74,457.93 = 31,307.26 : x
  2. Step 2: Convert to fraction form
    53,954.78/74,457.93 = 31,307.26/x
  3. Step 3: Cross multiply
    53,954.78x = 74,457.93 × 31,307.26
  4. Step 4: Simplify right side
    53,954.78x = 2,331,073,580.28
  5. Step 5: Solve for x
    x = 2,331,073,580.28/53,954.78
  6. Step 6: Final answer
    x = 43,204.21

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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.