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Finding the Fourth Proportional to 64,427.69, 88,890.03 and 37,200.21

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Solution

The fourth proportional to 64,427.69, 88,890.03 and 37,200.21 is: 51,324.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,427.69 : 88,890.03 = 37,200.21 : x
  2. Step 2: Convert to fraction form
    64,427.69/88,890.03 = 37,200.21/x
  3. Step 3: Cross multiply
    64,427.69x = 88,890.03 × 37,200.21
  4. Step 4: Simplify right side
    64,427.69x = 3,306,727,782.91
  5. Step 5: Solve for x
    x = 3,306,727,782.91/64,427.69
  6. Step 6: Final answer
    x = 51,324.64

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1.5x scale

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.