Home / 53,211.10-79,853.10-29,518.60

Finding the Fourth Proportional to 53,211.10, 79,853.10 and 29,518.60

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Solution

The fourth proportional to 53,211.10, 79,853.10 and 29,518.60 is: 44,298.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,211.10 : 79,853.10 = 29,518.60 : x
  2. Step 2: Convert to fraction form
    53,211.10/79,853.10 = 29,518.60/x
  3. Step 3: Cross multiply
    53,211.10x = 79,853.10 × 29,518.60
  4. Step 4: Simplify right side
    53,211.10x = 2,357,151,717.66
  5. Step 5: Solve for x
    x = 2,357,151,717.66/53,211.10
  6. Step 6: Final answer
    x = 44,298.12

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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.