Home / 93,840.04-129,455.94-54,073

Finding the Fourth Proportional to 93,840.04, 129,455.94 and 54,073

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Solution

The fourth proportional to 93,840.04, 129,455.94 and 54,073 is: 74,595.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,840.04 : 129,455.94 = 54,073 : x
  2. Step 2: Convert to fraction form
    93,840.04/129,455.94 = 54,073/x
  3. Step 3: Cross multiply
    93,840.04x = 129,455.94 × 54,073
  4. Step 4: Simplify right side
    93,840.04x = 7,000,071,043.62
  5. Step 5: Solve for x
    x = 7,000,071,043.62/93,840.04
  6. Step 6: Final answer
    x = 74,595.78

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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.