Home / 56,144.90-84,218.70-16,703.30

Finding the Fourth Proportional to 56,144.90, 84,218.70 and 16,703.30

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Solution

The fourth proportional to 56,144.90, 84,218.70 and 16,703.30 is: 25,055.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,144.90 : 84,218.70 = 16,703.30 : x
  2. Step 2: Convert to fraction form
    56,144.90/84,218.70 = 16,703.30/x
  3. Step 3: Cross multiply
    56,144.90x = 84,218.70 × 16,703.30
  4. Step 4: Simplify right side
    56,144.90x = 1,406,730,211.71
  5. Step 5: Solve for x
    x = 1,406,730,211.71/56,144.90
  6. Step 6: Final answer
    x = 25,055.35

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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.