Home / 91,916.89-126,825.62-53,659.07

Finding the Fourth Proportional to 91,916.89, 126,825.62 and 53,659.07

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Solution

The fourth proportional to 91,916.89, 126,825.62 and 53,659.07 is: 74,038.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,916.89 : 126,825.62 = 53,659.07 : x
  2. Step 2: Convert to fraction form
    91,916.89/126,825.62 = 53,659.07/x
  3. Step 3: Cross multiply
    91,916.89x = 126,825.62 × 53,659.07
  4. Step 4: Simplify right side
    91,916.89x = 6,805,345,272.59
  5. Step 5: Solve for x
    x = 6,805,345,272.59/91,916.89
  6. Step 6: Final answer
    x = 74,038.03

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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.