Home / 118,429.24-163,434.18-70,710.52

Finding the Fourth Proportional to 118,429.24, 163,434.18 and 70,710.52

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Solution

The fourth proportional to 118,429.24, 163,434.18 and 70,710.52 is: 97,581.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,429.24 : 163,434.18 = 70,710.52 : x
  2. Step 2: Convert to fraction form
    118,429.24/163,434.18 = 70,710.52/x
  3. Step 3: Cross multiply
    118,429.24x = 163,434.18 × 70,710.52
  4. Step 4: Simplify right side
    118,429.24x = 11,556,515,853.57
  5. Step 5: Solve for x
    x = 11,556,515,853.57/118,429.24
  6. Step 6: Final answer
    x = 97,581.61

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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.