Home / 84,818.11-117,070.02-49,030.42

Finding the Fourth Proportional to 84,818.11, 117,070.02 and 49,030.42

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Solution

The fourth proportional to 84,818.11, 117,070.02 and 49,030.42 is: 67,674.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,818.11 : 117,070.02 = 49,030.42 : x
  2. Step 2: Convert to fraction form
    84,818.11/117,070.02 = 49,030.42/x
  3. Step 3: Cross multiply
    84,818.11x = 117,070.02 × 49,030.42
  4. Step 4: Simplify right side
    84,818.11x = 5,739,992,250.01
  5. Step 5: Solve for x
    x = 5,739,992,250.01/84,818.11
  6. Step 6: Final answer
    x = 67,674.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.