Home / 84,560.16-126,840.24-29,156.16

Finding the Fourth Proportional to 84,560.16, 126,840.24 and 29,156.16

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Solution

The fourth proportional to 84,560.16, 126,840.24 and 29,156.16 is: 43,734.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,560.16 : 126,840.24 = 29,156.16 : x
  2. Step 2: Convert to fraction form
    84,560.16/126,840.24 = 29,156.16/x
  3. Step 3: Cross multiply
    84,560.16x = 126,840.24 × 29,156.16
  4. Step 4: Simplify right side
    84,560.16x = 3,698,174,331.88
  5. Step 5: Solve for x
    x = 3,698,174,331.88/84,560.16
  6. Step 6: Final answer
    x = 43,734.24

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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.