Home / 83,345.55-115,016.93-47,534.64

Finding the Fourth Proportional to 83,345.55, 115,016.93 and 47,534.64

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Solution

The fourth proportional to 83,345.55, 115,016.93 and 47,534.64 is: 65,597.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,345.55 : 115,016.93 = 47,534.64 : x
  2. Step 2: Convert to fraction form
    83,345.55/115,016.93 = 47,534.64/x
  3. Step 3: Cross multiply
    83,345.55x = 115,016.93 × 47,534.64
  4. Step 4: Simplify right side
    83,345.55x = 5,467,288,361.46
  5. Step 5: Solve for x
    x = 5,467,288,361.46/83,345.55
  6. Step 6: Final answer
    x = 65,597.84

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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.