Home / 74,055.60-102,196.32-40,064

Finding the Fourth Proportional to 74,055.60, 102,196.32 and 40,064

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Solution

The fourth proportional to 74,055.60, 102,196.32 and 40,064 is: 55,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,055.60 : 102,196.32 = 40,064 : x
  2. Step 2: Convert to fraction form
    74,055.60/102,196.32 = 40,064/x
  3. Step 3: Cross multiply
    74,055.60x = 102,196.32 × 40,064
  4. Step 4: Simplify right side
    74,055.60x = 4,094,393,364.48
  5. Step 5: Solve for x
    x = 4,094,393,364.48/74,055.60
  6. Step 6: Final answer
    x = 55,288.10

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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.