Home / 104,421.35-144,101.59-56,674.71

Finding the Fourth Proportional to 104,421.35, 144,101.59 and 56,674.71

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Solution

The fourth proportional to 104,421.35, 144,101.59 and 56,674.71 is: 78,211.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,421.35 : 144,101.59 = 56,674.71 : x
  2. Step 2: Convert to fraction form
    104,421.35/144,101.59 = 56,674.71/x
  3. Step 3: Cross multiply
    104,421.35x = 144,101.59 × 56,674.71
  4. Step 4: Simplify right side
    104,421.35x = 8,166,915,103.28
  5. Step 5: Solve for x
    x = 8,166,915,103.28/104,421.35
  6. Step 6: Final answer
    x = 78,211.17

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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.