Home / 66,237.64-91,360.94-40,710.49

Finding the Fourth Proportional to 66,237.64, 91,360.94 and 40,710.49

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Solution

The fourth proportional to 66,237.64, 91,360.94 and 40,710.49 is: 56,151.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,237.64 : 91,360.94 = 40,710.49 : x
  2. Step 2: Convert to fraction form
    66,237.64/91,360.94 = 40,710.49/x
  3. Step 3: Cross multiply
    66,237.64x = 91,360.94 × 40,710.49
  4. Step 4: Simplify right side
    66,237.64x = 3,719,348,602.60
  5. Step 5: Solve for x
    x = 3,719,348,602.60/66,237.64
  6. Step 6: Final answer
    x = 56,151.59

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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.