Home / 104,381.30-144,030.87-58,438.56

Finding the Fourth Proportional to 104,381.30, 144,030.87 and 58,438.56

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Solution

The fourth proportional to 104,381.30, 144,030.87 and 58,438.56 is: 80,636.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,381.30 : 144,030.87 = 58,438.56 : x
  2. Step 2: Convert to fraction form
    104,381.30/144,030.87 = 58,438.56/x
  3. Step 3: Cross multiply
    104,381.30x = 144,030.87 × 58,438.56
  4. Step 4: Simplify right side
    104,381.30x = 8,416,956,638.35
  5. Step 5: Solve for x
    x = 8,416,956,638.35/104,381.30
  6. Step 6: Final answer
    x = 80,636.64

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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.