Home / 73,913.44-102,008.64-42,077.20

Finding the Fourth Proportional to 73,913.44, 102,008.64 and 42,077.20

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Solution

The fourth proportional to 73,913.44, 102,008.64 and 42,077.20 is: 58,071.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,913.44 : 102,008.64 = 42,077.20 : x
  2. Step 2: Convert to fraction form
    73,913.44/102,008.64 = 42,077.20/x
  3. Step 3: Cross multiply
    73,913.44x = 102,008.64 × 42,077.20
  4. Step 4: Simplify right side
    73,913.44x = 4,292,237,947.01
  5. Step 5: Solve for x
    x = 4,292,237,947.01/73,913.44
  6. Step 6: Final answer
    x = 58,071.14

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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.