Home / 67,942.24-93,780.12-45,314.08

Finding the Fourth Proportional to 67,942.24, 93,780.12 and 45,314.08

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Solution

The fourth proportional to 67,942.24, 93,780.12 and 45,314.08 is: 62,546.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,942.24 : 93,780.12 = 45,314.08 : x
  2. Step 2: Convert to fraction form
    67,942.24/93,780.12 = 45,314.08/x
  3. Step 3: Cross multiply
    67,942.24x = 93,780.12 × 45,314.08
  4. Step 4: Simplify right side
    67,942.24x = 4,249,559,860.09
  5. Step 5: Solve for x
    x = 4,249,559,860.09/67,942.24
  6. Step 6: Final answer
    x = 62,546.66

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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.