Home / 63,521.14-87,658.57-34,840.21

Finding the Fourth Proportional to 63,521.14, 87,658.57 and 34,840.21

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Solution

The fourth proportional to 63,521.14, 87,658.57 and 34,840.21 is: 48,079.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,521.14 : 87,658.57 = 34,840.21 : x
  2. Step 2: Convert to fraction form
    63,521.14/87,658.57 = 34,840.21/x
  3. Step 3: Cross multiply
    63,521.14x = 87,658.57 × 34,840.21
  4. Step 4: Simplify right side
    63,521.14x = 3,054,042,975.86
  5. Step 5: Solve for x
    x = 3,054,042,975.86/63,521.14
  6. Step 6: Final answer
    x = 48,079.16

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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.