Home / 82,988.56-124,519.02-43,536.16

Finding the Fourth Proportional to 82,988.56, 124,519.02 and 43,536.16

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Solution

The fourth proportional to 82,988.56, 124,519.02 and 43,536.16 is: 65,323.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,988.56 : 124,519.02 = 43,536.16 : x
  2. Step 2: Convert to fraction form
    82,988.56/124,519.02 = 43,536.16/x
  3. Step 3: Cross multiply
    82,988.56x = 124,519.02 × 43,536.16
  4. Step 4: Simplify right side
    82,988.56x = 5,421,079,977.76
  5. Step 5: Solve for x
    x = 5,421,079,977.76/82,988.56
  6. Step 6: Final answer
    x = 65,323.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.