Home / 63,515.34-87,651-34,835.13

Finding the Fourth Proportional to 63,515.34, 87,651 and 34,835.13

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Solution

The fourth proportional to 63,515.34, 87,651 and 34,835.13 is: 48,072.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,515.34 : 87,651 = 34,835.13 : x
  2. Step 2: Convert to fraction form
    63,515.34/87,651 = 34,835.13/x
  3. Step 3: Cross multiply
    63,515.34x = 87,651 × 34,835.13
  4. Step 4: Simplify right side
    63,515.34x = 3,053,333,979.63
  5. Step 5: Solve for x
    x = 3,053,333,979.63/63,515.34
  6. Step 6: Final answer
    x = 48,072.39

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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.