Home / 73,985.26-102,094.39-42,148.30

Finding the Fourth Proportional to 73,985.26, 102,094.39 and 42,148.30

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Solution

The fourth proportional to 73,985.26, 102,094.39 and 42,148.30 is: 58,161.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,985.26 : 102,094.39 = 42,148.30 : x
  2. Step 2: Convert to fraction form
    73,985.26/102,094.39 = 42,148.30/x
  3. Step 3: Cross multiply
    73,985.26x = 102,094.39 × 42,148.30
  4. Step 4: Simplify right side
    73,985.26x = 4,303,104,978.04
  5. Step 5: Solve for x
    x = 4,303,104,978.04/73,985.26
  6. Step 6: Final answer
    x = 58,161.65

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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.