Home / 108,363.88-162,545.82-52,921

Finding the Fourth Proportional to 108,363.88, 162,545.82 and 52,921

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Solution

The fourth proportional to 108,363.88, 162,545.82 and 52,921 is: 79,381.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,363.88 : 162,545.82 = 52,921 : x
  2. Step 2: Convert to fraction form
    108,363.88/162,545.82 = 52,921/x
  3. Step 3: Cross multiply
    108,363.88x = 162,545.82 × 52,921
  4. Step 4: Simplify right side
    108,363.88x = 8,602,087,340.22
  5. Step 5: Solve for x
    x = 8,602,087,340.22/108,363.88
  6. Step 6: Final answer
    x = 79,381.50

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1.5x scale

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.