Home / 85,324.49-117,555.50-59,458.66

Finding the Fourth Proportional to 85,324.49, 117,555.50 and 59,458.66

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Solution

The fourth proportional to 85,324.49, 117,555.50 and 59,458.66 is: 81,918.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,324.49 : 117,555.50 = 59,458.66 : x
  2. Step 2: Convert to fraction form
    85,324.49/117,555.50 = 59,458.66/x
  3. Step 3: Cross multiply
    85,324.49x = 117,555.50 × 59,458.66
  4. Step 4: Simplify right side
    85,324.49x = 6,989,692,505.63
  5. Step 5: Solve for x
    x = 6,989,692,505.63/85,324.49
  6. Step 6: Final answer
    x = 81,918.95

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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.