Home / 102,583.80-141,629.65-66,304.24

Finding the Fourth Proportional to 102,583.80, 141,629.65 and 66,304.24

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Solution

The fourth proportional to 102,583.80, 141,629.65 and 66,304.24 is: 91,541.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,583.80 : 141,629.65 = 66,304.24 : x
  2. Step 2: Convert to fraction form
    102,583.80/141,629.65 = 66,304.24/x
  3. Step 3: Cross multiply
    102,583.80x = 141,629.65 × 66,304.24
  4. Step 4: Simplify right side
    102,583.80x = 9,390,645,784.88
  5. Step 5: Solve for x
    x = 9,390,645,784.88/102,583.80
  6. Step 6: Final answer
    x = 91,541.22

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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.