Home / 118,533.11-163,572.50-70,137.54

Finding the Fourth Proportional to 118,533.11, 163,572.50 and 70,137.54

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Solution

The fourth proportional to 118,533.11, 163,572.50 and 70,137.54 is: 96,787.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,533.11 : 163,572.50 = 70,137.54 : x
  2. Step 2: Convert to fraction form
    118,533.11/163,572.50 = 70,137.54/x
  3. Step 3: Cross multiply
    118,533.11x = 163,572.50 × 70,137.54
  4. Step 4: Simplify right side
    118,533.11x = 11,472,572,936.99
  5. Step 5: Solve for x
    x = 11,472,572,936.99/118,533.11
  6. Step 6: Final answer
    x = 96,787.92

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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.