Home / 74,942.17-103,421.54-40,952.07

Finding the Fourth Proportional to 74,942.17, 103,421.54 and 40,952.07

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Solution

The fourth proportional to 74,942.17, 103,421.54 and 40,952.07 is: 56,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,942.17 : 103,421.54 = 40,952.07 : x
  2. Step 2: Convert to fraction form
    74,942.17/103,421.54 = 40,952.07/x
  3. Step 3: Cross multiply
    74,942.17x = 103,421.54 × 40,952.07
  4. Step 4: Simplify right side
    74,942.17x = 4,235,326,247.97
  5. Step 5: Solve for x
    x = 4,235,326,247.97/74,942.17
  6. Step 6: Final answer
    x = 56,514.60

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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.