Home / 83,539.62-115,284.60-45,816.30

Finding the Fourth Proportional to 83,539.62, 115,284.60 and 45,816.30

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Solution

The fourth proportional to 83,539.62, 115,284.60 and 45,816.30 is: 63,226.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,539.62 : 115,284.60 = 45,816.30 : x
  2. Step 2: Convert to fraction form
    83,539.62/115,284.60 = 45,816.30/x
  3. Step 3: Cross multiply
    83,539.62x = 115,284.60 × 45,816.30
  4. Step 4: Simplify right side
    83,539.62x = 5,281,913,818.98
  5. Step 5: Solve for x
    x = 5,281,913,818.98/83,539.62
  6. Step 6: Final answer
    x = 63,226.45

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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.