Home / 108,678.15-163,018.35-29,792.37

Finding the Fourth Proportional to 108,678.15, 163,018.35 and 29,792.37

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Solution

The fourth proportional to 108,678.15, 163,018.35 and 29,792.37 is: 44,688.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,678.15 : 163,018.35 = 29,792.37 : x
  2. Step 2: Convert to fraction form
    108,678.15/163,018.35 = 29,792.37/x
  3. Step 3: Cross multiply
    108,678.15x = 163,018.35 × 29,792.37
  4. Step 4: Simplify right side
    108,678.15x = 4,856,702,999.99
  5. Step 5: Solve for x
    x = 4,856,702,999.99/108,678.15
  6. Step 6: Final answer
    x = 44,688.86

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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.