Home / 71,198.02-98,140.14-56,066.68

Finding the Fourth Proportional to 71,198.02, 98,140.14 and 56,066.68

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Solution

The fourth proportional to 71,198.02, 98,140.14 and 56,066.68 is: 77,282.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,198.02 : 98,140.14 = 56,066.68 : x
  2. Step 2: Convert to fraction form
    71,198.02/98,140.14 = 56,066.68/x
  3. Step 3: Cross multiply
    71,198.02x = 98,140.14 × 56,066.68
  4. Step 4: Simplify right side
    71,198.02x = 5,502,391,824.54
  5. Step 5: Solve for x
    x = 5,502,391,824.54/71,198.02
  6. Step 6: Final answer
    x = 77,282.93

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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.