Home / 108,928.40-163,392.60-46,605.20

Finding the Fourth Proportional to 108,928.40, 163,392.60 and 46,605.20

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Solution

The fourth proportional to 108,928.40, 163,392.60 and 46,605.20 is: 69,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,928.40 : 163,392.60 = 46,605.20 : x
  2. Step 2: Convert to fraction form
    108,928.40/163,392.60 = 46,605.20/x
  3. Step 3: Cross multiply
    108,928.40x = 163,392.60 × 46,605.20
  4. Step 4: Simplify right side
    108,928.40x = 7,614,944,801.52
  5. Step 5: Solve for x
    x = 7,614,944,801.52/108,928.40
  6. Step 6: Final answer
    x = 69,907.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.