Home / 66,098.77-91,182.51-42,200.33

Finding the Fourth Proportional to 66,098.77, 91,182.51 and 42,200.33

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Solution

The fourth proportional to 66,098.77, 91,182.51 and 42,200.33 is: 58,214.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,098.77 : 91,182.51 = 42,200.33 : x
  2. Step 2: Convert to fraction form
    66,098.77/91,182.51 = 42,200.33/x
  3. Step 3: Cross multiply
    66,098.77x = 91,182.51 × 42,200.33
  4. Step 4: Simplify right side
    66,098.77x = 3,847,931,556.32
  5. Step 5: Solve for x
    x = 3,847,931,556.32/66,098.77
  6. Step 6: Final answer
    x = 58,214.88

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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.