Home / 94,298.78-130,143.51-54,025.38

Finding the Fourth Proportional to 94,298.78, 130,143.51 and 54,025.38

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Solution

The fourth proportional to 94,298.78, 130,143.51 and 54,025.38 is: 74,561.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,298.78 : 130,143.51 = 54,025.38 : x
  2. Step 2: Convert to fraction form
    94,298.78/130,143.51 = 54,025.38/x
  3. Step 3: Cross multiply
    94,298.78x = 130,143.51 × 54,025.38
  4. Step 4: Simplify right side
    94,298.78x = 7,031,052,582.28
  5. Step 5: Solve for x
    x = 7,031,052,582.28/94,298.78
  6. Step 6: Final answer
    x = 74,561.44

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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.