Home / 66,315.51-99,340.02-32,934.60

Finding the Fourth Proportional to 66,315.51, 99,340.02 and 32,934.60

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Solution

The fourth proportional to 66,315.51, 99,340.02 and 32,934.60 is: 49,335.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,315.51 : 99,340.02 = 32,934.60 : x
  2. Step 2: Convert to fraction form
    66,315.51/99,340.02 = 32,934.60/x
  3. Step 3: Cross multiply
    66,315.51x = 99,340.02 × 32,934.60
  4. Step 4: Simplify right side
    66,315.51x = 3,271,723,822.69
  5. Step 5: Solve for x
    x = 3,271,723,822.69/66,315.51
  6. Step 6: Final answer
    x = 49,335.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.