Home / 65,724.63-90,699.93-35,916.63

Finding the Fourth Proportional to 65,724.63, 90,699.93 and 35,916.63

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Solution

The fourth proportional to 65,724.63, 90,699.93 and 35,916.63 is: 49,564.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,724.63 : 90,699.93 = 35,916.63 : x
  2. Step 2: Convert to fraction form
    65,724.63/90,699.93 = 35,916.63/x
  3. Step 3: Cross multiply
    65,724.63x = 90,699.93 × 35,916.63
  4. Step 4: Simplify right side
    65,724.63x = 3,257,635,826.84
  5. Step 5: Solve for x
    x = 3,257,635,826.84/65,724.63
  6. Step 6: Final answer
    x = 49,564.92

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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.