Home / 66,052.36-91,118.82-42,154.12

Finding the Fourth Proportional to 66,052.36, 91,118.82 and 42,154.12

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Solution

The fourth proportional to 66,052.36, 91,118.82 and 42,154.12 is: 58,151.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,052.36 : 91,118.82 = 42,154.12 : x
  2. Step 2: Convert to fraction form
    66,052.36/91,118.82 = 42,154.12/x
  3. Step 3: Cross multiply
    66,052.36x = 91,118.82 × 42,154.12
  4. Step 4: Simplify right side
    66,052.36x = 3,841,033,672.54
  5. Step 5: Solve for x
    x = 3,841,033,672.54/66,052.36
  6. Step 6: Final answer
    x = 58,151.35

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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.