Home / 54,312.07-74,946.53-30,434.13

Finding the Fourth Proportional to 54,312.07, 74,946.53 and 30,434.13

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Solution

The fourth proportional to 54,312.07, 74,946.53 and 30,434.13 is: 41,996.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,312.07 : 74,946.53 = 30,434.13 : x
  2. Step 2: Convert to fraction form
    54,312.07/74,946.53 = 30,434.13/x
  3. Step 3: Cross multiply
    54,312.07x = 74,946.53 × 30,434.13
  4. Step 4: Simplify right side
    54,312.07x = 2,280,932,513.15
  5. Step 5: Solve for x
    x = 2,280,932,513.15/54,312.07
  6. Step 6: Final answer
    x = 41,996.79

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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.