Home / 93,861.11-129,528.78-51,419.64

Finding the Fourth Proportional to 93,861.11, 129,528.78 and 51,419.64

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Solution

The fourth proportional to 93,861.11, 129,528.78 and 51,419.64 is: 70,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,861.11 : 129,528.78 = 51,419.64 : x
  2. Step 2: Convert to fraction form
    93,861.11/129,528.78 = 51,419.64/x
  3. Step 3: Cross multiply
    93,861.11x = 129,528.78 × 51,419.64
  4. Step 4: Simplify right side
    93,861.11x = 6,660,323,237.24
  5. Step 5: Solve for x
    x = 6,660,323,237.24/93,861.11
  6. Step 6: Final answer
    x = 70,959.35

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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.