Home / 96,719.10-144,750.60-84,909.30

Finding the Fourth Proportional to 96,719.10, 144,750.60 and 84,909.30

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Solution

The fourth proportional to 96,719.10, 144,750.60 and 84,909.30 is: 127,075.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,719.10 : 144,750.60 = 84,909.30 : x
  2. Step 2: Convert to fraction form
    96,719.10/144,750.60 = 84,909.30/x
  3. Step 3: Cross multiply
    96,719.10x = 144,750.60 × 84,909.30
  4. Step 4: Simplify right side
    96,719.10x = 12,290,672,120.58
  5. Step 5: Solve for x
    x = 12,290,672,120.58/96,719.10
  6. Step 6: Final answer
    x = 127,075.96

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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.