Home / 73,898.72-102,065.12-53,845.28

Finding the Fourth Proportional to 73,898.72, 102,065.12 and 53,845.28

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Solution

The fourth proportional to 73,898.72, 102,065.12 and 53,845.28 is: 74,368.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,898.72 : 102,065.12 = 53,845.28 : x
  2. Step 2: Convert to fraction form
    73,898.72/102,065.12 = 53,845.28/x
  3. Step 3: Cross multiply
    73,898.72x = 102,065.12 × 53,845.28
  4. Step 4: Simplify right side
    73,898.72x = 5,495,724,964.63
  5. Step 5: Solve for x
    x = 5,495,724,964.63/73,898.72
  6. Step 6: Final answer
    x = 74,368.34

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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.