Home / 93,789.14-129,429.04-51,347.67

Finding the Fourth Proportional to 93,789.14, 129,429.04 and 51,347.67

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Solution

The fourth proportional to 93,789.14, 129,429.04 and 51,347.67 is: 70,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,789.14 : 129,429.04 = 51,347.67 : x
  2. Step 2: Convert to fraction form
    93,789.14/129,429.04 = 51,347.67/x
  3. Step 3: Cross multiply
    93,789.14x = 129,429.04 × 51,347.67
  4. Step 4: Simplify right side
    93,789.14x = 6,645,879,844.92
  5. Step 5: Solve for x
    x = 6,645,879,844.92/93,789.14
  6. Step 6: Final answer
    x = 70,859.80

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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.