Home / 83,403.04-115,097.34-45,677.56

Finding the Fourth Proportional to 83,403.04, 115,097.34 and 45,677.56

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Solution

The fourth proportional to 83,403.04, 115,097.34 and 45,677.56 is: 63,035.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,403.04 : 115,097.34 = 45,677.56 : x
  2. Step 2: Convert to fraction form
    83,403.04/115,097.34 = 45,677.56/x
  3. Step 3: Cross multiply
    83,403.04x = 115,097.34 × 45,677.56
  4. Step 4: Simplify right side
    83,403.04x = 5,257,365,653.69
  5. Step 5: Solve for x
    x = 5,257,365,653.69/83,403.04
  6. Step 6: Final answer
    x = 63,035.66

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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.