Home / 118,631.99-163,710.92-67,653.02

Finding the Fourth Proportional to 118,631.99, 163,710.92 and 67,653.02

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Solution

The fourth proportional to 118,631.99, 163,710.92 and 67,653.02 is: 93,360.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,631.99 : 163,710.92 = 67,653.02 : x
  2. Step 2: Convert to fraction form
    118,631.99/163,710.92 = 67,653.02/x
  3. Step 3: Cross multiply
    118,631.99x = 163,710.92 × 67,653.02
  4. Step 4: Simplify right side
    118,631.99x = 11,075,538,723.39
  5. Step 5: Solve for x
    x = 11,075,538,723.39/118,631.99
  6. Step 6: Final answer
    x = 93,360.47

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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.