Home / 75,646.42-104,391.18-41,654.20

Finding the Fourth Proportional to 75,646.42, 104,391.18 and 41,654.20

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Solution

The fourth proportional to 75,646.42, 104,391.18 and 41,654.20 is: 57,482.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,646.42 : 104,391.18 = 41,654.20 : x
  2. Step 2: Convert to fraction form
    75,646.42/104,391.18 = 41,654.20/x
  3. Step 3: Cross multiply
    75,646.42x = 104,391.18 × 41,654.20
  4. Step 4: Simplify right side
    75,646.42x = 4,348,331,089.96
  5. Step 5: Solve for x
    x = 4,348,331,089.96/75,646.42
  6. Step 6: Final answer
    x = 57,482.31

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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.