Home / 64,447.20-96,701.28-31,148.48

Finding the Fourth Proportional to 64,447.20, 96,701.28 and 31,148.48

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Solution

The fourth proportional to 64,447.20, 96,701.28 and 31,148.48 is: 46,737.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,447.20 : 96,701.28 = 31,148.48 : x
  2. Step 2: Convert to fraction form
    64,447.20/96,701.28 = 31,148.48/x
  3. Step 3: Cross multiply
    64,447.20x = 96,701.28 × 31,148.48
  4. Step 4: Simplify right side
    64,447.20x = 3,012,097,886.05
  5. Step 5: Solve for x
    x = 3,012,097,886.05/64,447.20
  6. Step 6: Final answer
    x = 46,737.45

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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.