Home / 104,810.85-144,639.53-57,064.05

Finding the Fourth Proportional to 104,810.85, 144,639.53 and 57,064.05

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Solution

The fourth proportional to 104,810.85, 144,639.53 and 57,064.05 is: 78,748.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,810.85 : 144,639.53 = 57,064.05 : x
  2. Step 2: Convert to fraction form
    104,810.85/144,639.53 = 57,064.05/x
  3. Step 3: Cross multiply
    104,810.85x = 144,639.53 × 57,064.05
  4. Step 4: Simplify right side
    104,810.85x = 8,253,717,086.58
  5. Step 5: Solve for x
    x = 8,253,717,086.58/104,810.85
  6. Step 6: Final answer
    x = 78,748.69

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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.