Home / 92,486.28-127,631.50-52,201.74

Finding the Fourth Proportional to 92,486.28, 127,631.50 and 52,201.74

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Solution

The fourth proportional to 92,486.28, 127,631.50 and 52,201.74 is: 72,038.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,486.28 : 127,631.50 = 52,201.74 : x
  2. Step 2: Convert to fraction form
    92,486.28/127,631.50 = 52,201.74/x
  3. Step 3: Cross multiply
    92,486.28x = 127,631.50 × 52,201.74
  4. Step 4: Simplify right side
    92,486.28x = 6,662,586,378.81
  5. Step 5: Solve for x
    x = 6,662,586,378.81/92,486.28
  6. Step 6: Final answer
    x = 72,038.65

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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.