Home / 108,047.43-162,155.88-75,000.06

Finding the Fourth Proportional to 108,047.43, 162,155.88 and 75,000.06

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Solution

The fourth proportional to 108,047.43, 162,155.88 and 75,000.06 is: 112,558.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,047.43 : 162,155.88 = 75,000.06 : x
  2. Step 2: Convert to fraction form
    108,047.43/162,155.88 = 75,000.06/x
  3. Step 3: Cross multiply
    108,047.43x = 162,155.88 × 75,000.06
  4. Step 4: Simplify right side
    108,047.43x = 12,161,700,729.35
  5. Step 5: Solve for x
    x = 12,161,700,729.35/108,047.43
  6. Step 6: Final answer
    x = 112,558.91

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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.