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Finding the Fourth Proportional to 92,489.63, 127,636.02 and 50,048.16

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Solution

The fourth proportional to 92,489.63, 127,636.02 and 50,048.16 is: 69,066.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,489.63 : 127,636.02 = 50,048.16 : x
  2. Step 2: Convert to fraction form
    92,489.63/127,636.02 = 50,048.16/x
  3. Step 3: Cross multiply
    92,489.63x = 127,636.02 × 50,048.16
  4. Step 4: Simplify right side
    92,489.63x = 6,387,947,950.72
  5. Step 5: Solve for x
    x = 6,387,947,950.72/92,489.63
  6. Step 6: Final answer
    x = 69,066.64

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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.