Home / 63,100.21-87,079.93-34,420.35

Finding the Fourth Proportional to 63,100.21, 87,079.93 and 34,420.35

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Solution

The fourth proportional to 63,100.21, 87,079.93 and 34,420.35 is: 47,500.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,100.21 : 87,079.93 = 34,420.35 : x
  2. Step 2: Convert to fraction form
    63,100.21/87,079.93 = 34,420.35/x
  3. Step 3: Cross multiply
    63,100.21x = 87,079.93 × 34,420.35
  4. Step 4: Simplify right side
    63,100.21x = 2,997,321,664.16
  5. Step 5: Solve for x
    x = 2,997,321,664.16/63,100.21
  6. Step 6: Final answer
    x = 47,500.98

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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.