Home / 108,707.40-163,043.64-29,803.32

Finding the Fourth Proportional to 108,707.40, 163,043.64 and 29,803.32

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Solution

The fourth proportional to 108,707.40, 163,043.64 and 29,803.32 is: 44,700.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,707.40 : 163,043.64 = 29,803.32 : x
  2. Step 2: Convert to fraction form
    108,707.40/163,043.64 = 29,803.32/x
  3. Step 3: Cross multiply
    108,707.40x = 163,043.64 × 29,803.32
  4. Step 4: Simplify right side
    108,707.40x = 4,859,241,776.88
  5. Step 5: Solve for x
    x = 4,859,241,776.88/108,707.40
  6. Step 6: Final answer
    x = 44,700.19

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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.