Home / 118,429.62-163,432.24-70,048.86

Finding the Fourth Proportional to 118,429.62, 163,432.24 and 70,048.86

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Solution

The fourth proportional to 118,429.62, 163,432.24 and 70,048.86 is: 96,667.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,429.62 : 163,432.24 = 70,048.86 : x
  2. Step 2: Convert to fraction form
    118,429.62/163,432.24 = 70,048.86/x
  3. Step 3: Cross multiply
    118,429.62x = 163,432.24 × 70,048.86
  4. Step 4: Simplify right side
    118,429.62x = 11,448,242,099.25
  5. Step 5: Solve for x
    x = 11,448,242,099.25/118,429.62
  6. Step 6: Final answer
    x = 96,667.05

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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.