Home / 108,416.34-162,638.82-48,445.29

Finding the Fourth Proportional to 108,416.34, 162,638.82 and 48,445.29

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Solution

The fourth proportional to 108,416.34, 162,638.82 and 48,445.29 is: 72,674.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,416.34 : 162,638.82 = 48,445.29 : x
  2. Step 2: Convert to fraction form
    108,416.34/162,638.82 = 48,445.29/x
  3. Step 3: Cross multiply
    108,416.34x = 162,638.82 × 48,445.29
  4. Step 4: Simplify right side
    108,416.34x = 7,879,084,800.16
  5. Step 5: Solve for x
    x = 7,879,084,800.16/108,416.34
  6. Step 6: Final answer
    x = 72,674.33

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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.