Home / 94,423.10-130,321.35-54,137.14

Finding the Fourth Proportional to 94,423.10, 130,321.35 and 54,137.14

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Solution

The fourth proportional to 94,423.10, 130,321.35 and 54,137.14 is: 74,719.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,423.10 : 130,321.35 = 54,137.14 : x
  2. Step 2: Convert to fraction form
    94,423.10/130,321.35 = 54,137.14/x
  3. Step 3: Cross multiply
    94,423.10x = 130,321.35 × 54,137.14
  4. Step 4: Simplify right side
    94,423.10x = 7,055,224,844.14
  5. Step 5: Solve for x
    x = 7,055,224,844.14/94,423.10
  6. Step 6: Final answer
    x = 74,719.27

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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.