Home / 92,739.54-127,981.28-50,298.06

Finding the Fourth Proportional to 92,739.54, 127,981.28 and 50,298.06

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Solution

The fourth proportional to 92,739.54, 127,981.28 and 50,298.06 is: 69,411.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,739.54 : 127,981.28 = 50,298.06 : x
  2. Step 2: Convert to fraction form
    92,739.54/127,981.28 = 50,298.06/x
  3. Step 3: Cross multiply
    92,739.54x = 127,981.28 × 50,298.06
  4. Step 4: Simplify right side
    92,739.54x = 6,437,210,100.32
  5. Step 5: Solve for x
    x = 6,437,210,100.32/92,739.54
  6. Step 6: Final answer
    x = 69,411.71

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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.