Home / 93,633.71-129,204.38-55,394.69

Finding the Fourth Proportional to 93,633.71, 129,204.38 and 55,394.69

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Solution

The fourth proportional to 93,633.71, 129,204.38 and 55,394.69 is: 76,438.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,633.71 : 129,204.38 = 55,394.69 : x
  2. Step 2: Convert to fraction form
    93,633.71/129,204.38 = 55,394.69/x
  3. Step 3: Cross multiply
    93,633.71x = 129,204.38 × 55,394.69
  4. Step 4: Simplify right side
    93,633.71x = 7,157,236,069.21
  5. Step 5: Solve for x
    x = 7,157,236,069.21/93,633.71
  6. Step 6: Final answer
    x = 76,438.67

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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.