Home / 53,330.10-79,861.37-48,274.81

Finding the Fourth Proportional to 53,330.10, 79,861.37 and 48,274.81

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Solution

The fourth proportional to 53,330.10, 79,861.37 and 48,274.81 is: 72,291.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,330.10 : 79,861.37 = 48,274.81 : x
  2. Step 2: Convert to fraction form
    53,330.10/79,861.37 = 48,274.81/x
  3. Step 3: Cross multiply
    53,330.10x = 79,861.37 × 48,274.81
  4. Step 4: Simplify right side
    53,330.10x = 3,855,292,382.45
  5. Step 5: Solve for x
    x = 3,855,292,382.45/53,330.10
  6. Step 6: Final answer
    x = 72,291.11

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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.