Home / 109,969.40-151,758.42-59,668.36

Finding the Fourth Proportional to 109,969.40, 151,758.42 and 59,668.36

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Solution

The fourth proportional to 109,969.40, 151,758.42 and 59,668.36 is: 82,342.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,969.40 : 151,758.42 = 59,668.36 : x
  2. Step 2: Convert to fraction form
    109,969.40/151,758.42 = 59,668.36/x
  3. Step 3: Cross multiply
    109,969.40x = 151,758.42 × 59,668.36
  4. Step 4: Simplify right side
    109,969.40x = 9,055,176,037.59
  5. Step 5: Solve for x
    x = 9,055,176,037.59/109,969.40
  6. Step 6: Final answer
    x = 82,342.69

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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.