Home / 74,946.33-103,378.38-57,002.00

Finding the Fourth Proportional to 74,946.33, 103,378.38 and 57,002.00

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Solution

The fourth proportional to 74,946.33, 103,378.38 and 57,002.00 is: 78,626.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,946.33 : 103,378.38 = 57,002.00 : x
  2. Step 2: Convert to fraction form
    74,946.33/103,378.38 = 57,002.00/x
  3. Step 3: Cross multiply
    74,946.33x = 103,378.38 × 57,002.00
  4. Step 4: Simplify right side
    74,946.33x = 5,892,773,686.11
  5. Step 5: Solve for x
    x = 5,892,773,686.11/74,946.33
  6. Step 6: Final answer
    x = 78,626.58

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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.