Home / 104,634.59-144,396.07-56,888.12

Finding the Fourth Proportional to 104,634.59, 144,396.07 and 56,888.12

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Solution

The fourth proportional to 104,634.59, 144,396.07 and 56,888.12 is: 78,505.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,634.59 : 144,396.07 = 56,888.12 : x
  2. Step 2: Convert to fraction form
    104,634.59/144,396.07 = 56,888.12/x
  3. Step 3: Cross multiply
    104,634.59x = 144,396.07 × 56,888.12
  4. Step 4: Simplify right side
    104,634.59x = 8,214,421,176.46
  5. Step 5: Solve for x
    x = 8,214,421,176.46/104,634.59
  6. Step 6: Final answer
    x = 78,505.79

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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.