Home / 94,287.78-130,115.63-51,268.12

Finding the Fourth Proportional to 94,287.78, 130,115.63 and 51,268.12

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Solution

The fourth proportional to 94,287.78, 130,115.63 and 51,268.12 is: 70,749.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,287.78 : 130,115.63 = 51,268.12 : x
  2. Step 2: Convert to fraction form
    94,287.78/130,115.63 = 51,268.12/x
  3. Step 3: Cross multiply
    94,287.78x = 130,115.63 × 51,268.12
  4. Step 4: Simplify right side
    94,287.78x = 6,670,783,535.60
  5. Step 5: Solve for x
    x = 6,670,783,535.60/94,287.78
  6. Step 6: Final answer
    x = 70,749.18

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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.