Home / 74,838.60-103,288.62-46,553.40

Finding the Fourth Proportional to 74,838.60, 103,288.62 and 46,553.40

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Solution

The fourth proportional to 74,838.60, 103,288.62 and 46,553.40 is: 64,250.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,838.60 : 103,288.62 = 46,553.40 : x
  2. Step 2: Convert to fraction form
    74,838.60/103,288.62 = 46,553.40/x
  3. Step 3: Cross multiply
    74,838.60x = 103,288.62 × 46,553.40
  4. Step 4: Simplify right side
    74,838.60x = 4,808,436,442.31
  5. Step 5: Solve for x
    x = 4,808,436,442.31/74,838.60
  6. Step 6: Final answer
    x = 64,250.75

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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.