Home / 94,823.21-130,856.49-51,803.30

Finding the Fourth Proportional to 94,823.21, 130,856.49 and 51,803.30

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Solution

The fourth proportional to 94,823.21, 130,856.49 and 51,803.30 is: 71,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,823.21 : 130,856.49 = 51,803.30 : x
  2. Step 2: Convert to fraction form
    94,823.21/130,856.49 = 51,803.30/x
  3. Step 3: Cross multiply
    94,823.21x = 130,856.49 × 51,803.30
  4. Step 4: Simplify right side
    94,823.21x = 6,778,798,008.42
  5. Step 5: Solve for x
    x = 6,778,798,008.42/94,823.21
  6. Step 6: Final answer
    x = 71,488.81

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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.