Home / 101,765.04-140,442.93-56,447.34

Finding the Fourth Proportional to 101,765.04, 140,442.93 and 56,447.34

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Solution

The fourth proportional to 101,765.04, 140,442.93 and 56,447.34 is: 77,901.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,765.04 : 140,442.93 = 56,447.34 : x
  2. Step 2: Convert to fraction form
    101,765.04/140,442.93 = 56,447.34/x
  3. Step 3: Cross multiply
    101,765.04x = 140,442.93 × 56,447.34
  4. Step 4: Simplify right side
    101,765.04x = 7,927,629,820.31
  5. Step 5: Solve for x
    x = 7,927,629,820.31/101,765.04
  6. Step 6: Final answer
    x = 77,901.31

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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.