Home / 82,860.10-124,333.35-36,117.70

Finding the Fourth Proportional to 82,860.10, 124,333.35 and 36,117.70

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Solution

The fourth proportional to 82,860.10, 124,333.35 and 36,117.70 is: 54,195.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,860.10 : 124,333.35 = 36,117.70 : x
  2. Step 2: Convert to fraction form
    82,860.10/124,333.35 = 36,117.70/x
  3. Step 3: Cross multiply
    82,860.10x = 124,333.35 × 36,117.70
  4. Step 4: Simplify right side
    82,860.10x = 4,490,634,635.30
  5. Step 5: Solve for x
    x = 4,490,634,635.30/82,860.10
  6. Step 6: Final answer
    x = 54,195.38

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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.