Home / 93,878.19-129,563.96-53,582.72

Finding the Fourth Proportional to 93,878.19, 129,563.96 and 53,582.72

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Solution

The fourth proportional to 93,878.19, 129,563.96 and 53,582.72 is: 73,951.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,878.19 : 129,563.96 = 53,582.72 : x
  2. Step 2: Convert to fraction form
    93,878.19/129,563.96 = 53,582.72/x
  3. Step 3: Cross multiply
    93,878.19x = 129,563.96 × 53,582.72
  4. Step 4: Simplify right side
    93,878.19x = 6,942,388,475.04
  5. Step 5: Solve for x
    x = 6,942,388,475.04/93,878.19
  6. Step 6: Final answer
    x = 73,951.03

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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.