Home / 94,309.59-130,145.09-51,868.83

Finding the Fourth Proportional to 94,309.59, 130,145.09 and 51,868.83

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Solution

The fourth proportional to 94,309.59, 130,145.09 and 51,868.83 is: 71,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,309.59 : 130,145.09 = 51,868.83 : x
  2. Step 2: Convert to fraction form
    94,309.59/130,145.09 = 51,868.83/x
  3. Step 3: Cross multiply
    94,309.59x = 130,145.09 × 51,868.83
  4. Step 4: Simplify right side
    94,309.59x = 6,750,472,995.66
  5. Step 5: Solve for x
    x = 6,750,472,995.66/94,309.59
  6. Step 6: Final answer
    x = 71,577.80

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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.