Home / 76,266.64-105,253.80-47,996.56

Finding the Fourth Proportional to 76,266.64, 105,253.80 and 47,996.56

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Solution

The fourth proportional to 76,266.64, 105,253.80 and 47,996.56 is: 66,238.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,266.64 : 105,253.80 = 47,996.56 : x
  2. Step 2: Convert to fraction form
    76,266.64/105,253.80 = 47,996.56/x
  3. Step 3: Cross multiply
    76,266.64x = 105,253.80 × 47,996.56
  4. Step 4: Simplify right side
    76,266.64x = 5,051,820,326.93
  5. Step 5: Solve for x
    x = 5,051,820,326.93/76,266.64
  6. Step 6: Final answer
    x = 66,238.93

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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.