Home / 93,680.85-129,268.70-55,442.07

Finding the Fourth Proportional to 93,680.85, 129,268.70 and 55,442.07

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Solution

The fourth proportional to 93,680.85, 129,268.70 and 55,442.07 is: 76,503.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,680.85 : 129,268.70 = 55,442.07 : x
  2. Step 2: Convert to fraction form
    93,680.85/129,268.70 = 55,442.07/x
  3. Step 3: Cross multiply
    93,680.85x = 129,268.70 × 55,442.07
  4. Step 4: Simplify right side
    93,680.85x = 7,166,924,037.00
  5. Step 5: Solve for x
    x = 7,166,924,037.00/93,680.85
  6. Step 6: Final answer
    x = 76,503.62

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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.