Home / 52,368.01-78,534.40-16,820.61

Finding the Fourth Proportional to 52,368.01, 78,534.40 and 16,820.61

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Solution

The fourth proportional to 52,368.01, 78,534.40 and 16,820.61 is: 25,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,368.01 : 78,534.40 = 16,820.61 : x
  2. Step 2: Convert to fraction form
    52,368.01/78,534.40 = 16,820.61/x
  3. Step 3: Cross multiply
    52,368.01x = 78,534.40 × 16,820.61
  4. Step 4: Simplify right side
    52,368.01x = 1,320,996,513.98
  5. Step 5: Solve for x
    x = 1,320,996,513.98/52,368.01
  6. Step 6: Final answer
    x = 25,225.26

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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.