Home / 52,196.40-78,272.68-17,116.72

Finding the Fourth Proportional to 52,196.40, 78,272.68 and 17,116.72

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Solution

The fourth proportional to 52,196.40, 78,272.68 and 17,116.72 is: 25,667.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,196.40 : 78,272.68 = 17,116.72 : x
  2. Step 2: Convert to fraction form
    52,196.40/78,272.68 = 17,116.72/x
  3. Step 3: Cross multiply
    52,196.40x = 78,272.68 × 17,116.72
  4. Step 4: Simplify right side
    52,196.40x = 1,339,771,547.21
  5. Step 5: Solve for x
    x = 1,339,771,547.21/52,196.40
  6. Step 6: Final answer
    x = 25,667.89

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1.5x scale

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.