Home / 108,429.40-162,643.20-29,543.50

Finding the Fourth Proportional to 108,429.40, 162,643.20 and 29,543.50

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Solution

The fourth proportional to 108,429.40, 162,643.20 and 29,543.50 is: 44,315.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,429.40 : 162,643.20 = 29,543.50 : x
  2. Step 2: Convert to fraction form
    108,429.40/162,643.20 = 29,543.50/x
  3. Step 3: Cross multiply
    108,429.40x = 162,643.20 × 29,543.50
  4. Step 4: Simplify right side
    108,429.40x = 4,805,049,379.20
  5. Step 5: Solve for x
    x = 4,805,049,379.20/108,429.40
  6. Step 6: Final answer
    x = 44,315.00

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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.