Home / 52,044.60-78,047.70-16,985.40

Finding the Fourth Proportional to 52,044.60, 78,047.70 and 16,985.40

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Solution

The fourth proportional to 52,044.60, 78,047.70 and 16,985.40 is: 25,471.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,044.60 : 78,047.70 = 16,985.40 : x
  2. Step 2: Convert to fraction form
    52,044.60/78,047.70 = 16,985.40/x
  3. Step 3: Cross multiply
    52,044.60x = 78,047.70 × 16,985.40
  4. Step 4: Simplify right side
    52,044.60x = 1,325,671,403.58
  5. Step 5: Solve for x
    x = 1,325,671,403.58/52,044.60
  6. Step 6: Final answer
    x = 25,471.83

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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.