Home / 77,268.90-115,916.43-23,948.70

Finding the Fourth Proportional to 77,268.90, 115,916.43 and 23,948.70

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Solution

The fourth proportional to 77,268.90, 115,916.43 and 23,948.70 is: 35,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,268.90 : 115,916.43 = 23,948.70 : x
  2. Step 2: Convert to fraction form
    77,268.90/115,916.43 = 23,948.70/x
  3. Step 3: Cross multiply
    77,268.90x = 115,916.43 × 23,948.70
  4. Step 4: Simplify right side
    77,268.90x = 2,776,047,807.14
  5. Step 5: Solve for x
    x = 2,776,047,807.14/77,268.90
  6. Step 6: Final answer
    x = 35,927.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.