Home / 93,659.85-129,251.07-51,219.36

Finding the Fourth Proportional to 93,659.85, 129,251.07 and 51,219.36

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Solution

The fourth proportional to 93,659.85, 129,251.07 and 51,219.36 is: 70,682.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,659.85 : 129,251.07 = 51,219.36 : x
  2. Step 2: Convert to fraction form
    93,659.85/129,251.07 = 51,219.36/x
  3. Step 3: Cross multiply
    93,659.85x = 129,251.07 × 51,219.36
  4. Step 4: Simplify right side
    93,659.85x = 6,620,157,084.72
  5. Step 5: Solve for x
    x = 6,620,157,084.72/93,659.85
  6. Step 6: Final answer
    x = 70,682.98

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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.