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Finding the Fourth Proportional to 63,705.81, 87,915.06 and 35,026.68

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Solution

The fourth proportional to 63,705.81, 87,915.06 and 35,026.68 is: 48,337.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,705.81 : 87,915.06 = 35,026.68 : x
  2. Step 2: Convert to fraction form
    63,705.81/87,915.06 = 35,026.68/x
  3. Step 3: Cross multiply
    63,705.81x = 87,915.06 × 35,026.68
  4. Step 4: Simplify right side
    63,705.81x = 3,079,372,673.80
  5. Step 5: Solve for x
    x = 3,079,372,673.80/63,705.81
  6. Step 6: Final answer
    x = 48,337.39

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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.