Home / 94,429.20-130,314.60-51,983.76

Finding the Fourth Proportional to 94,429.20, 130,314.60 and 51,983.76

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Solution

The fourth proportional to 94,429.20, 130,314.60 and 51,983.76 is: 71,738.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,429.20 : 130,314.60 = 51,983.76 : x
  2. Step 2: Convert to fraction form
    94,429.20/130,314.60 = 51,983.76/x
  3. Step 3: Cross multiply
    94,429.20x = 130,314.60 × 51,983.76
  4. Step 4: Simplify right side
    94,429.20x = 6,774,242,890.90
  5. Step 5: Solve for x
    x = 6,774,242,890.90/94,429.20
  6. Step 6: Final answer
    x = 71,738.86

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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.