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Finding the Fourth Proportional to 92,516.58, 127,675.96 and 56,699.67

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Solution

The fourth proportional to 92,516.58, 127,675.96 and 56,699.67 is: 78,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,516.58 : 127,675.96 = 56,699.67 : x
  2. Step 2: Convert to fraction form
    92,516.58/127,675.96 = 56,699.67/x
  3. Step 3: Cross multiply
    92,516.58x = 127,675.96 × 56,699.67
  4. Step 4: Simplify right side
    92,516.58x = 7,239,184,798.93
  5. Step 5: Solve for x
    x = 7,239,184,798.93/92,516.58
  6. Step 6: Final answer
    x = 78,247.43

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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.