Home / 94,728.28-130,729.38-54,455.08

Finding the Fourth Proportional to 94,728.28, 130,729.38 and 54,455.08

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Solution

The fourth proportional to 94,728.28, 130,729.38 and 54,455.08 is: 75,150.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,728.28 : 130,729.38 = 54,455.08 : x
  2. Step 2: Convert to fraction form
    94,728.28/130,729.38 = 54,455.08/x
  3. Step 3: Cross multiply
    94,728.28x = 130,729.38 × 54,455.08
  4. Step 4: Simplify right side
    94,728.28x = 7,118,878,846.25
  5. Step 5: Solve for x
    x = 7,118,878,846.25/94,728.28
  6. Step 6: Final answer
    x = 75,150.51

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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.