Home / 75,426.48-104,042.16-54,234.12

Finding the Fourth Proportional to 75,426.48, 104,042.16 and 54,234.12

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Solution

The fourth proportional to 75,426.48, 104,042.16 and 54,234.12 is: 74,809.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,426.48 : 104,042.16 = 54,234.12 : x
  2. Step 2: Convert to fraction form
    75,426.48/104,042.16 = 54,234.12/x
  3. Step 3: Cross multiply
    75,426.48x = 104,042.16 × 54,234.12
  4. Step 4: Simplify right side
    75,426.48x = 5,642,634,990.50
  5. Step 5: Solve for x
    x = 5,642,634,990.50/75,426.48
  6. Step 6: Final answer
    x = 74,809.74

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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.