Home / 55,916.56-77,166.32-30,424.52

Finding the Fourth Proportional to 55,916.56, 77,166.32 and 30,424.52

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Solution

The fourth proportional to 55,916.56, 77,166.32 and 30,424.52 is: 41,986.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,916.56 : 77,166.32 = 30,424.52 : x
  2. Step 2: Convert to fraction form
    55,916.56/77,166.32 = 30,424.52/x
  3. Step 3: Cross multiply
    55,916.56x = 77,166.32 × 30,424.52
  4. Step 4: Simplify right side
    55,916.56x = 2,347,748,246.17
  5. Step 5: Solve for x
    x = 2,347,748,246.17/55,916.56
  6. Step 6: Final answer
    x = 41,986.64

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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.