Home / 47,090.86-64,985.41-25,871.49

Finding the Fourth Proportional to 47,090.86, 64,985.41 and 25,871.49

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Solution

The fourth proportional to 47,090.86, 64,985.41 and 25,871.49 is: 35,702.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,090.86 : 64,985.41 = 25,871.49 : x
  2. Step 2: Convert to fraction form
    47,090.86/64,985.41 = 25,871.49/x
  3. Step 3: Cross multiply
    47,090.86x = 64,985.41 × 25,871.49
  4. Step 4: Simplify right side
    47,090.86x = 1,681,269,579.76
  5. Step 5: Solve for x
    x = 1,681,269,579.76/47,090.86
  6. Step 6: Final answer
    x = 35,702.67

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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.