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Finding the Fourth Proportional to 56,671.37, 78,201.65 and 32,799.51

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Solution

The fourth proportional to 56,671.37, 78,201.65 and 32,799.51 is: 45,260.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,671.37 : 78,201.65 = 32,799.51 : x
  2. Step 2: Convert to fraction form
    56,671.37/78,201.65 = 32,799.51/x
  3. Step 3: Cross multiply
    56,671.37x = 78,201.65 × 32,799.51
  4. Step 4: Simplify right side
    56,671.37x = 2,564,975,637.19
  5. Step 5: Solve for x
    x = 2,564,975,637.19/56,671.37
  6. Step 6: Final answer
    x = 45,260.52

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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.