Home / 52,457.63-78,629.20-25,821.95

Finding the Fourth Proportional to 52,457.63, 78,629.20 and 25,821.95

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Solution

The fourth proportional to 52,457.63, 78,629.20 and 25,821.95 is: 38,704.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,457.63 : 78,629.20 = 25,821.95 : x
  2. Step 2: Convert to fraction form
    52,457.63/78,629.20 = 25,821.95/x
  3. Step 3: Cross multiply
    52,457.63x = 78,629.20 × 25,821.95
  4. Step 4: Simplify right side
    52,457.63x = 2,030,358,813.24
  5. Step 5: Solve for x
    x = 2,030,358,813.24/52,457.63
  6. Step 6: Final answer
    x = 38,704.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.