Home / 74,300.64-102,535.83-40,309.35

Finding the Fourth Proportional to 74,300.64, 102,535.83 and 40,309.35

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Solution

The fourth proportional to 74,300.64, 102,535.83 and 40,309.35 is: 55,627.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,300.64 : 102,535.83 = 40,309.35 : x
  2. Step 2: Convert to fraction form
    74,300.64/102,535.83 = 40,309.35/x
  3. Step 3: Cross multiply
    74,300.64x = 102,535.83 × 40,309.35
  4. Step 4: Simplify right side
    74,300.64x = 4,133,152,659.01
  5. Step 5: Solve for x
    x = 4,133,152,659.01/74,300.64
  6. Step 6: Final answer
    x = 55,627.42

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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.