Home / 94,384.10-130,235.18-54,090.12

Finding the Fourth Proportional to 94,384.10, 130,235.18 and 54,090.12

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Solution

The fourth proportional to 94,384.10, 130,235.18 and 54,090.12 is: 74,635.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,384.10 : 130,235.18 = 54,090.12 : x
  2. Step 2: Convert to fraction form
    94,384.10/130,235.18 = 54,090.12/x
  3. Step 3: Cross multiply
    94,384.10x = 130,235.18 × 54,090.12
  4. Step 4: Simplify right side
    94,384.10x = 7,044,436,514.42
  5. Step 5: Solve for x
    x = 7,044,436,514.42/94,384.10
  6. Step 6: Final answer
    x = 74,635.84

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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.