Home / 45,042.48-67,447.08-31,045.68

Finding the Fourth Proportional to 45,042.48, 67,447.08 and 31,045.68

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Solution

The fourth proportional to 45,042.48, 67,447.08 and 31,045.68 is: 46,488.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,042.48 : 67,447.08 = 31,045.68 : x
  2. Step 2: Convert to fraction form
    45,042.48/67,447.08 = 31,045.68/x
  3. Step 3: Cross multiply
    45,042.48x = 67,447.08 × 31,045.68
  4. Step 4: Simplify right side
    45,042.48x = 2,093,940,462.61
  5. Step 5: Solve for x
    x = 2,093,940,462.61/45,042.48
  6. Step 6: Final answer
    x = 46,488.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.