Home / 104,281.75-144,027.62-70,689.43

Finding the Fourth Proportional to 104,281.75, 144,027.62 and 70,689.43

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Solution

The fourth proportional to 104,281.75, 144,027.62 and 70,689.43 is: 97,631.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,281.75 : 144,027.62 = 70,689.43 : x
  2. Step 2: Convert to fraction form
    104,281.75/144,027.62 = 70,689.43/x
  3. Step 3: Cross multiply
    104,281.75x = 144,027.62 × 70,689.43
  4. Step 4: Simplify right side
    104,281.75x = 10,181,230,008.61
  5. Step 5: Solve for x
    x = 10,181,230,008.61/104,281.75
  6. Step 6: Final answer
    x = 97,631.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.