Home / 99,416.34-137,195.12-54,094.63

Finding the Fourth Proportional to 99,416.34, 137,195.12 and 54,094.63

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Solution

The fourth proportional to 99,416.34, 137,195.12 and 54,094.63 is: 74,650.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,416.34 : 137,195.12 = 54,094.63 : x
  2. Step 2: Convert to fraction form
    99,416.34/137,195.12 = 54,094.63/x
  3. Step 3: Cross multiply
    99,416.34x = 137,195.12 × 54,094.63
  4. Step 4: Simplify right side
    99,416.34x = 7,421,519,254.21
  5. Step 5: Solve for x
    x = 7,421,519,254.21/99,416.34
  6. Step 6: Final answer
    x = 74,650.90

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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.