Home / 85,217.41-117,812.60-63,959.77

Finding the Fourth Proportional to 85,217.41, 117,812.60 and 63,959.77

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Solution

The fourth proportional to 85,217.41, 117,812.60 and 63,959.77 is: 88,424.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,217.41 : 117,812.60 = 63,959.77 : x
  2. Step 2: Convert to fraction form
    85,217.41/117,812.60 = 63,959.77/x
  3. Step 3: Cross multiply
    85,217.41x = 117,812.60 × 63,959.77
  4. Step 4: Simplify right side
    85,217.41x = 7,535,266,664.47
  5. Step 5: Solve for x
    x = 7,535,266,664.47/85,217.41
  6. Step 6: Final answer
    x = 88,424.03

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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.