Home / 63,235.45-87,265.14-34,555.11

Finding the Fourth Proportional to 63,235.45, 87,265.14 and 34,555.11

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Solution

The fourth proportional to 63,235.45, 87,265.14 and 34,555.11 is: 47,686.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,235.45 : 87,265.14 = 34,555.11 : x
  2. Step 2: Convert to fraction form
    63,235.45/87,265.14 = 34,555.11/x
  3. Step 3: Cross multiply
    63,235.45x = 87,265.14 × 34,555.11
  4. Step 4: Simplify right side
    63,235.45x = 3,015,456,511.87
  5. Step 5: Solve for x
    x = 3,015,456,511.87/63,235.45
  6. Step 6: Final answer
    x = 47,686.17

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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.