Home / 64,705.10-88,815.92-57,473.42

Finding the Fourth Proportional to 64,705.10, 88,815.92 and 57,473.42

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Solution

The fourth proportional to 64,705.10, 88,815.92 and 57,473.42 is: 78,889.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,705.10 : 88,815.92 = 57,473.42 : x
  2. Step 2: Convert to fraction form
    64,705.10/88,815.92 = 57,473.42/x
  3. Step 3: Cross multiply
    64,705.10x = 88,815.92 × 57,473.42
  4. Step 4: Simplify right side
    64,705.10x = 5,104,553,941.40
  5. Step 5: Solve for x
    x = 5,104,553,941.40/64,705.10
  6. Step 6: Final answer
    x = 78,889.52

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.