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Finding the Fourth Proportional to 63,126.68, 87,114.71 and 34,832.34

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Solution

The fourth proportional to 63,126.68, 87,114.71 and 34,832.34 is: 48,068.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,126.68 : 87,114.71 = 34,832.34 : x
  2. Step 2: Convert to fraction form
    63,126.68/87,114.71 = 34,832.34/x
  3. Step 3: Cross multiply
    63,126.68x = 87,114.71 × 34,832.34
  4. Step 4: Simplify right side
    63,126.68x = 3,034,409,197.72
  5. Step 5: Solve for x
    x = 3,034,409,197.72/63,126.68
  6. Step 6: Final answer
    x = 48,068.57

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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.