Home / 64,458.20-96,711.60-31,207.70

Finding the Fourth Proportional to 64,458.20, 96,711.60 and 31,207.70

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Solution

The fourth proportional to 64,458.20, 96,711.60 and 31,207.70 is: 46,823.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,458.20 : 96,711.60 = 31,207.70 : x
  2. Step 2: Convert to fraction form
    64,458.20/96,711.60 = 31,207.70/x
  3. Step 3: Cross multiply
    64,458.20x = 96,711.60 × 31,207.70
  4. Step 4: Simplify right side
    64,458.20x = 3,018,146,599.32
  5. Step 5: Solve for x
    x = 3,018,146,599.32/64,458.20
  6. Step 6: Final answer
    x = 46,823.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.