Home / 63,136.60-87,126.78-34,840.24

Finding the Fourth Proportional to 63,136.60, 87,126.78 and 34,840.24

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Solution

The fourth proportional to 63,136.60, 87,126.78 and 34,840.24 is: 48,078.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,136.60 : 87,126.78 = 34,840.24 : x
  2. Step 2: Convert to fraction form
    63,136.60/87,126.78 = 34,840.24/x
  3. Step 3: Cross multiply
    63,136.60x = 87,126.78 × 34,840.24
  4. Step 4: Simplify right side
    63,136.60x = 3,035,517,925.63
  5. Step 5: Solve for x
    x = 3,035,517,925.63/63,136.60
  6. Step 6: Final answer
    x = 48,078.58

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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.