Home / 93,811.32-129,458.36-51,369.88

Finding the Fourth Proportional to 93,811.32, 129,458.36 and 51,369.88

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Solution

The fourth proportional to 93,811.32, 129,458.36 and 51,369.88 is: 70,889.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,811.32 : 129,458.36 = 51,369.88 : x
  2. Step 2: Convert to fraction form
    93,811.32/129,458.36 = 51,369.88/x
  3. Step 3: Cross multiply
    93,811.32x = 129,458.36 × 51,369.88
  4. Step 4: Simplify right side
    93,811.32x = 6,650,260,418.20
  5. Step 5: Solve for x
    x = 6,650,260,418.20/93,811.32
  6. Step 6: Final answer
    x = 70,889.74

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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.