Home / 93,830.10-129,487.41-51,388.63

Finding the Fourth Proportional to 93,830.10, 129,487.41 and 51,388.63

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Solution

The fourth proportional to 93,830.10, 129,487.41 and 51,388.63 is: 70,917.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,830.10 : 129,487.41 = 51,388.63 : x
  2. Step 2: Convert to fraction form
    93,830.10/129,487.41 = 51,388.63/x
  3. Step 3: Cross multiply
    93,830.10x = 129,487.41 × 51,388.63
  4. Step 4: Simplify right side
    93,830.10x = 6,654,180,278.43
  5. Step 5: Solve for x
    x = 6,654,180,278.43/93,830.10
  6. Step 6: Final answer
    x = 70,917.33

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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.