Home / 79,036.02-109,176.21-63,233.46

Finding the Fourth Proportional to 79,036.02, 109,176.21 and 63,233.46

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Solution

The fourth proportional to 79,036.02, 109,176.21 and 63,233.46 is: 87,347.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,036.02 : 109,176.21 = 63,233.46 : x
  2. Step 2: Convert to fraction form
    79,036.02/109,176.21 = 63,233.46/x
  3. Step 3: Cross multiply
    79,036.02x = 109,176.21 × 63,233.46
  4. Step 4: Simplify right side
    79,036.02x = 6,903,589,507.99
  5. Step 5: Solve for x
    x = 6,903,589,507.99/79,036.02
  6. Step 6: Final answer
    x = 87,347.38

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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.