Home / 93,729.43-129,346.62-51,287.98

Finding the Fourth Proportional to 93,729.43, 129,346.62 and 51,287.98

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Solution

The fourth proportional to 93,729.43, 129,346.62 and 51,287.98 is: 70,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,729.43 : 129,346.62 = 51,287.98 : x
  2. Step 2: Convert to fraction form
    93,729.43/129,346.62 = 51,287.98/x
  3. Step 3: Cross multiply
    93,729.43x = 129,346.62 × 51,287.98
  4. Step 4: Simplify right side
    93,729.43x = 6,633,926,859.63
  5. Step 5: Solve for x
    x = 6,633,926,859.63/93,729.43
  6. Step 6: Final answer
    x = 70,777.42

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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.