Home / 74,905.06-112,326.42-30,501.70

Finding the Fourth Proportional to 74,905.06, 112,326.42 and 30,501.70

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Solution

The fourth proportional to 74,905.06, 112,326.42 and 30,501.70 is: 45,739.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,905.06 : 112,326.42 = 30,501.70 : x
  2. Step 2: Convert to fraction form
    74,905.06/112,326.42 = 30,501.70/x
  3. Step 3: Cross multiply
    74,905.06x = 112,326.42 × 30,501.70
  4. Step 4: Simplify right side
    74,905.06x = 3,426,146,764.91
  5. Step 5: Solve for x
    x = 3,426,146,764.91/74,905.06
  6. Step 6: Final answer
    x = 45,739.86

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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.