Home / 74,818.99-103,246.55-40,825.45

Finding the Fourth Proportional to 74,818.99, 103,246.55 and 40,825.45

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Solution

The fourth proportional to 74,818.99, 103,246.55 and 40,825.45 is: 56,337.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,818.99 : 103,246.55 = 40,825.45 : x
  2. Step 2: Convert to fraction form
    74,818.99/103,246.55 = 40,825.45/x
  3. Step 3: Cross multiply
    74,818.99x = 103,246.55 × 40,825.45
  4. Step 4: Simplify right side
    74,818.99x = 4,215,086,402.45
  5. Step 5: Solve for x
    x = 4,215,086,402.45/74,818.99
  6. Step 6: Final answer
    x = 56,337.12

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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.