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Finding the Fourth Proportional to 64,200.90, 96,301.35 and 19,823.70

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Solution

The fourth proportional to 64,200.90, 96,301.35 and 19,823.70 is: 29,735.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,200.90 : 96,301.35 = 19,823.70 : x
  2. Step 2: Convert to fraction form
    64,200.90/96,301.35 = 19,823.70/x
  3. Step 3: Cross multiply
    64,200.90x = 96,301.35 × 19,823.70
  4. Step 4: Simplify right side
    64,200.90x = 1,909,049,072.00
  5. Step 5: Solve for x
    x = 1,909,049,072.00/64,200.90
  6. Step 6: Final answer
    x = 29,735.55

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1.5x scale

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.