Home / 94,864.32-130,917.80-54,584.20

Finding the Fourth Proportional to 94,864.32, 130,917.80 and 54,584.20

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Solution

The fourth proportional to 94,864.32, 130,917.80 and 54,584.20 is: 75,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,864.32 : 130,917.80 = 54,584.20 : x
  2. Step 2: Convert to fraction form
    94,864.32/130,917.80 = 54,584.20/x
  3. Step 3: Cross multiply
    94,864.32x = 130,917.80 × 54,584.20
  4. Step 4: Simplify right side
    94,864.32x = 7,146,043,378.76
  5. Step 5: Solve for x
    x = 7,146,043,378.76/94,864.32
  6. Step 6: Final answer
    x = 75,329.10

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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.