Home / 104,148.74-143,725.04-56,401.94

Finding the Fourth Proportional to 104,148.74, 143,725.04 and 56,401.94

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Solution

The fourth proportional to 104,148.74, 143,725.04 and 56,401.94 is: 77,834.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,148.74 : 143,725.04 = 56,401.94 : x
  2. Step 2: Convert to fraction form
    104,148.74/143,725.04 = 56,401.94/x
  3. Step 3: Cross multiply
    104,148.74x = 143,725.04 × 56,401.94
  4. Step 4: Simplify right side
    104,148.74x = 8,106,370,081.94
  5. Step 5: Solve for x
    x = 8,106,370,081.94/104,148.74
  6. Step 6: Final answer
    x = 77,834.55

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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.