Home / 94,218.90-130,021.47-51,198.18

Finding the Fourth Proportional to 94,218.90, 130,021.47 and 51,198.18

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Solution

The fourth proportional to 94,218.90, 130,021.47 and 51,198.18 is: 70,653.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,218.90 : 130,021.47 = 51,198.18 : x
  2. Step 2: Convert to fraction form
    94,218.90/130,021.47 = 51,198.18/x
  3. Step 3: Cross multiply
    94,218.90x = 130,021.47 × 51,198.18
  4. Step 4: Simplify right side
    94,218.90x = 6,656,862,624.92
  5. Step 5: Solve for x
    x = 6,656,862,624.92/94,218.90
  6. Step 6: Final answer
    x = 70,653.16

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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.