Home / 83,184.12-114,780.87-47,374.83

Finding the Fourth Proportional to 83,184.12, 114,780.87 and 47,374.83

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Solution

The fourth proportional to 83,184.12, 114,780.87 and 47,374.83 is: 65,369.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,184.12 : 114,780.87 = 47,374.83 : x
  2. Step 2: Convert to fraction form
    83,184.12/114,780.87 = 47,374.83/x
  3. Step 3: Cross multiply
    83,184.12x = 114,780.87 × 47,374.83
  4. Step 4: Simplify right side
    83,184.12x = 5,437,724,203.50
  5. Step 5: Solve for x
    x = 5,437,724,203.50/83,184.12
  6. Step 6: Final answer
    x = 65,369.74

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1.5x scale

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.