Home / 53,070.18-79,618.23-21,914.34

Finding the Fourth Proportional to 53,070.18, 79,618.23 and 21,914.34

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Solution

The fourth proportional to 53,070.18, 79,618.23 and 21,914.34 is: 32,876.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,070.18 : 79,618.23 = 21,914.34 : x
  2. Step 2: Convert to fraction form
    53,070.18/79,618.23 = 21,914.34/x
  3. Step 3: Cross multiply
    53,070.18x = 79,618.23 × 21,914.34
  4. Step 4: Simplify right side
    53,070.18x = 1,744,780,962.42
  5. Step 5: Solve for x
    x = 1,744,780,962.42/53,070.18
  6. Step 6: Final answer
    x = 32,876.86

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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.