Home / 108,076.12-162,130.38-37,943.08

Finding the Fourth Proportional to 108,076.12, 162,130.38 and 37,943.08

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Solution

The fourth proportional to 108,076.12, 162,130.38 and 37,943.08 is: 56,920.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,076.12 : 162,130.38 = 37,943.08 : x
  2. Step 2: Convert to fraction form
    108,076.12/162,130.38 = 37,943.08/x
  3. Step 3: Cross multiply
    108,076.12x = 162,130.38 × 37,943.08
  4. Step 4: Simplify right side
    108,076.12x = 6,151,725,978.77
  5. Step 5: Solve for x
    x = 6,151,725,978.77/108,076.12
  6. Step 6: Final answer
    x = 56,920.31

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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.