Home / 64,359.60-96,604.20-31,106.40

Finding the Fourth Proportional to 64,359.60, 96,604.20 and 31,106.40

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Solution

The fourth proportional to 64,359.60, 96,604.20 and 31,106.40 is: 46,690.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,359.60 : 96,604.20 = 31,106.40 : x
  2. Step 2: Convert to fraction form
    64,359.60/96,604.20 = 31,106.40/x
  3. Step 3: Cross multiply
    64,359.60x = 96,604.20 × 31,106.40
  4. Step 4: Simplify right side
    64,359.60x = 3,005,008,886.88
  5. Step 5: Solve for x
    x = 3,005,008,886.88/64,359.60
  6. Step 6: Final answer
    x = 46,690.92

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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.