Home / 83,674.07-115,471.59-45,433.61

Finding the Fourth Proportional to 83,674.07, 115,471.59 and 45,433.61

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Solution

The fourth proportional to 83,674.07, 115,471.59 and 45,433.61 is: 62,699.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,674.07 : 115,471.59 = 45,433.61 : x
  2. Step 2: Convert to fraction form
    83,674.07/115,471.59 = 45,433.61/x
  3. Step 3: Cross multiply
    83,674.07x = 115,471.59 × 45,433.61
  4. Step 4: Simplify right side
    83,674.07x = 5,246,291,186.14
  5. Step 5: Solve for x
    x = 5,246,291,186.14/83,674.07
  6. Step 6: Final answer
    x = 62,699.13

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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.