Home / 94,731.21-130,729.05-52,289.73

Finding the Fourth Proportional to 94,731.21, 130,729.05 and 52,289.73

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Solution

The fourth proportional to 94,731.21, 130,729.05 and 52,289.73 is: 72,159.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,731.21 : 130,729.05 = 52,289.73 : x
  2. Step 2: Convert to fraction form
    94,731.21/130,729.05 = 52,289.73/x
  3. Step 3: Cross multiply
    94,731.21x = 130,729.05 × 52,289.73
  4. Step 4: Simplify right side
    94,731.21x = 6,835,786,727.66
  5. Step 5: Solve for x
    x = 6,835,786,727.66/94,731.21
  6. Step 6: Final answer
    x = 72,159.82

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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.