Home / 83,394.85-115,084.03-45,153.74

Finding the Fourth Proportional to 83,394.85, 115,084.03 and 45,153.74

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Solution

The fourth proportional to 83,394.85, 115,084.03 and 45,153.74 is: 62,311.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,394.85 : 115,084.03 = 45,153.74 : x
  2. Step 2: Convert to fraction form
    83,394.85/115,084.03 = 45,153.74/x
  3. Step 3: Cross multiply
    83,394.85x = 115,084.03 × 45,153.74
  4. Step 4: Simplify right side
    83,394.85x = 5,196,474,368.77
  5. Step 5: Solve for x
    x = 5,196,474,368.77/83,394.85
  6. Step 6: Final answer
    x = 62,311.69

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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.