Home / 52,095.60-78,143.40-17,038.80

Finding the Fourth Proportional to 52,095.60, 78,143.40 and 17,038.80

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Solution

The fourth proportional to 52,095.60, 78,143.40 and 17,038.80 is: 25,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,095.60 : 78,143.40 = 17,038.80 : x
  2. Step 2: Convert to fraction form
    52,095.60/78,143.40 = 17,038.80/x
  3. Step 3: Cross multiply
    52,095.60x = 78,143.40 × 17,038.80
  4. Step 4: Simplify right side
    52,095.60x = 1,331,469,763.92
  5. Step 5: Solve for x
    x = 1,331,469,763.92/52,095.60
  6. Step 6: Final answer
    x = 25,558.20

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1.5x scale

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.