Home / 93,729.56-129,346.80-51,288.10

Finding the Fourth Proportional to 93,729.56, 129,346.80 and 51,288.10

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Solution

The fourth proportional to 93,729.56, 129,346.80 and 51,288.10 is: 70,777.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,729.56 : 129,346.80 = 51,288.10 : x
  2. Step 2: Convert to fraction form
    93,729.56/129,346.80 = 51,288.10/x
  3. Step 3: Cross multiply
    93,729.56x = 129,346.80 × 51,288.10
  4. Step 4: Simplify right side
    93,729.56x = 6,633,951,613.08
  5. Step 5: Solve for x
    x = 6,633,951,613.08/93,729.56
  6. Step 6: Final answer
    x = 70,777.58

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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.