Home / 104,497.90-144,205.79-56,751.57

Finding the Fourth Proportional to 104,497.90, 144,205.79 and 56,751.57

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Solution

The fourth proportional to 104,497.90, 144,205.79 and 56,751.57 is: 78,316.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,497.90 : 144,205.79 = 56,751.57 : x
  2. Step 2: Convert to fraction form
    104,497.90/144,205.79 = 56,751.57/x
  3. Step 3: Cross multiply
    104,497.90x = 144,205.79 × 56,751.57
  4. Step 4: Simplify right side
    104,497.90x = 8,183,904,701.83
  5. Step 5: Solve for x
    x = 8,183,904,701.83/104,497.90
  6. Step 6: Final answer
    x = 78,316.45

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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.