Home / 68,222.48-94,147.18-39,547.68

Finding the Fourth Proportional to 68,222.48, 94,147.18 and 39,547.68

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Solution

The fourth proportional to 68,222.48, 94,147.18 and 39,547.68 is: 54,575.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,222.48 : 94,147.18 = 39,547.68 : x
  2. Step 2: Convert to fraction form
    68,222.48/94,147.18 = 39,547.68/x
  3. Step 3: Cross multiply
    68,222.48x = 94,147.18 × 39,547.68
  4. Step 4: Simplify right side
    68,222.48x = 3,723,302,547.54
  5. Step 5: Solve for x
    x = 3,723,302,547.54/68,222.48
  6. Step 6: Final answer
    x = 54,575.89

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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.