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Finding the Fourth Proportional to 69,630.60, 96,102.50 and 39,417.64

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Solution

The fourth proportional to 69,630.60, 96,102.50 and 39,417.64 is: 54,403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,630.60 : 96,102.50 = 39,417.64 : x
  2. Step 2: Convert to fraction form
    69,630.60/96,102.50 = 39,417.64/x
  3. Step 3: Cross multiply
    69,630.60x = 96,102.50 × 39,417.64
  4. Step 4: Simplify right side
    69,630.60x = 3,788,133,748.10
  5. Step 5: Solve for x
    x = 3,788,133,748.10/69,630.60
  6. Step 6: Final answer
    x = 54,403.29

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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.