Home / 104,423.78-144,104.94-56,677.16

Finding the Fourth Proportional to 104,423.78, 144,104.94 and 56,677.16

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Solution

The fourth proportional to 104,423.78, 144,104.94 and 56,677.16 is: 78,214.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,423.78 : 144,104.94 = 56,677.16 : x
  2. Step 2: Convert to fraction form
    104,423.78/144,104.94 = 56,677.16/x
  3. Step 3: Cross multiply
    104,423.78x = 144,104.94 × 56,677.16
  4. Step 4: Simplify right side
    104,423.78x = 8,167,458,741.17
  5. Step 5: Solve for x
    x = 8,167,458,741.17/104,423.78
  6. Step 6: Final answer
    x = 78,214.55

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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.