Home / 93,932.06-129,631.55-55,714.23

Finding the Fourth Proportional to 93,932.06, 129,631.55 and 55,714.23

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Solution

The fourth proportional to 93,932.06, 129,631.55 and 55,714.23 is: 76,888.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,932.06 : 129,631.55 = 55,714.23 : x
  2. Step 2: Convert to fraction form
    93,932.06/129,631.55 = 55,714.23/x
  3. Step 3: Cross multiply
    93,932.06x = 129,631.55 × 55,714.23
  4. Step 4: Simplify right side
    93,932.06x = 7,222,321,713.39
  5. Step 5: Solve for x
    x = 7,222,321,713.39/93,932.06
  6. Step 6: Final answer
    x = 76,888.79

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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.