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Finding the Fourth Proportional to 60,662.80, 90,848.40 and 29,461.60

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Solution

The fourth proportional to 60,662.80, 90,848.40 and 29,461.60 is: 44,121.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,662.80 : 90,848.40 = 29,461.60 : x
  2. Step 2: Convert to fraction form
    60,662.80/90,848.40 = 29,461.60/x
  3. Step 3: Cross multiply
    60,662.80x = 90,848.40 × 29,461.60
  4. Step 4: Simplify right side
    60,662.80x = 2,676,539,221.44
  5. Step 5: Solve for x
    x = 2,676,539,221.44/60,662.80
  6. Step 6: Final answer
    x = 44,121.59

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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.