Home / 49,497.60-74,116.80-36,278.40

Finding the Fourth Proportional to 49,497.60, 74,116.80 and 36,278.40

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Solution

The fourth proportional to 49,497.60, 74,116.80 and 36,278.40 is: 54,322.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,497.60 : 74,116.80 = 36,278.40 : x
  2. Step 2: Convert to fraction form
    49,497.60/74,116.80 = 36,278.40/x
  3. Step 3: Cross multiply
    49,497.60x = 74,116.80 × 36,278.40
  4. Step 4: Simplify right side
    49,497.60x = 2,688,838,917.12
  5. Step 5: Solve for x
    x = 2,688,838,917.12/49,497.60
  6. Step 6: Final answer
    x = 54,322.61

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1.5x scale

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.