Home / 83,423.40-115,094.97-57,922.98

Finding the Fourth Proportional to 83,423.40, 115,094.97 and 57,922.98

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Solution

The fourth proportional to 83,423.40, 115,094.97 and 57,922.98 is: 79,913.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,423.40 : 115,094.97 = 57,922.98 : x
  2. Step 2: Convert to fraction form
    83,423.40/115,094.97 = 57,922.98/x
  3. Step 3: Cross multiply
    83,423.40x = 115,094.97 × 57,922.98
  4. Step 4: Simplify right side
    83,423.40x = 6,666,643,645.41
  5. Step 5: Solve for x
    x = 6,666,643,645.41/83,423.40
  6. Step 6: Final answer
    x = 79,913.35

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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.