Home / 93,912.20-129,602.12-51,470.72

Finding the Fourth Proportional to 93,912.20, 129,602.12 and 51,470.72

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Solution

The fourth proportional to 93,912.20, 129,602.12 and 51,470.72 is: 71,031.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,912.20 : 129,602.12 = 51,470.72 : x
  2. Step 2: Convert to fraction form
    93,912.20/129,602.12 = 51,470.72/x
  3. Step 3: Cross multiply
    93,912.20x = 129,602.12 × 51,470.72
  4. Step 4: Simplify right side
    93,912.20x = 6,670,714,429.93
  5. Step 5: Solve for x
    x = 6,670,714,429.93/93,912.20
  6. Step 6: Final answer
    x = 71,031.39

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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.