Home / 104,534.61-144,258.99-56,788.71

Finding the Fourth Proportional to 104,534.61, 144,258.99 and 56,788.71

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Solution

The fourth proportional to 104,534.61, 144,258.99 and 56,788.71 is: 78,369.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,534.61 : 144,258.99 = 56,788.71 : x
  2. Step 2: Convert to fraction form
    104,534.61/144,258.99 = 56,788.71/x
  3. Step 3: Cross multiply
    104,534.61x = 144,258.99 × 56,788.71
  4. Step 4: Simplify right side
    104,534.61x = 8,192,280,942.76
  5. Step 5: Solve for x
    x = 8,192,280,942.76/104,534.61
  6. Step 6: Final answer
    x = 78,369.08

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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.