Home / 66,084.18-91,173.97-42,224.82

Finding the Fourth Proportional to 66,084.18, 91,173.97 and 42,224.82

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Solution

The fourth proportional to 66,084.18, 91,173.97 and 42,224.82 is: 58,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,084.18 : 91,173.97 = 42,224.82 : x
  2. Step 2: Convert to fraction form
    66,084.18/91,173.97 = 42,224.82/x
  3. Step 3: Cross multiply
    66,084.18x = 91,173.97 × 42,224.82
  4. Step 4: Simplify right side
    66,084.18x = 3,849,804,471.94
  5. Step 5: Solve for x
    x = 3,849,804,471.94/66,084.18
  6. Step 6: Final answer
    x = 58,256.07

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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.