Home / 73,910.95-101,985.38-42,080.47

Finding the Fourth Proportional to 73,910.95, 101,985.38 and 42,080.47

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Solution

The fourth proportional to 73,910.95, 101,985.38 and 42,080.47 is: 58,064.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,910.95 : 101,985.38 = 42,080.47 : x
  2. Step 2: Convert to fraction form
    73,910.95/101,985.38 = 42,080.47/x
  3. Step 3: Cross multiply
    73,910.95x = 101,985.38 × 42,080.47
  4. Step 4: Simplify right side
    73,910.95x = 4,291,592,415.96
  5. Step 5: Solve for x
    x = 4,291,592,415.96/73,910.95
  6. Step 6: Final answer
    x = 58,064.37

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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.