Home / 94,252.09-130,067.89-53,979.20

Finding the Fourth Proportional to 94,252.09, 130,067.89 and 53,979.20

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Solution

The fourth proportional to 94,252.09, 130,067.89 and 53,979.20 is: 74,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,252.09 : 130,067.89 = 53,979.20 : x
  2. Step 2: Convert to fraction form
    94,252.09/130,067.89 = 53,979.20/x
  3. Step 3: Cross multiply
    94,252.09x = 130,067.89 × 53,979.20
  4. Step 4: Simplify right side
    94,252.09x = 7,020,960,647.89
  5. Step 5: Solve for x
    x = 7,020,960,647.89/94,252.09
  6. Step 6: Final answer
    x = 74,491.30

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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.