Home / 67,998.12-93,807.21-45,315.01

Finding the Fourth Proportional to 67,998.12, 93,807.21 and 45,315.01

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Solution

The fourth proportional to 67,998.12, 93,807.21 and 45,315.01 is: 62,514.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,998.12 : 93,807.21 = 45,315.01 : x
  2. Step 2: Convert to fraction form
    67,998.12/93,807.21 = 45,315.01/x
  3. Step 3: Cross multiply
    67,998.12x = 93,807.21 × 45,315.01
  4. Step 4: Simplify right side
    67,998.12x = 4,250,874,659.22
  5. Step 5: Solve for x
    x = 4,250,874,659.22/67,998.12
  6. Step 6: Final answer
    x = 62,514.59

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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.