Home / 52,068.52-78,102.02-12,625.98

Finding the Fourth Proportional to 52,068.52, 78,102.02 and 12,625.98

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Solution

The fourth proportional to 52,068.52, 78,102.02 and 12,625.98 is: 18,938.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,068.52 : 78,102.02 = 12,625.98 : x
  2. Step 2: Convert to fraction form
    52,068.52/78,102.02 = 12,625.98/x
  3. Step 3: Cross multiply
    52,068.52x = 78,102.02 × 12,625.98
  4. Step 4: Simplify right side
    52,068.52x = 986,114,281.16
  5. Step 5: Solve for x
    x = 986,114,281.16/52,068.52
  6. Step 6: Final answer
    x = 18,938.78

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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.