Home / 82,628.64-124,494.33-74,740.32

Finding the Fourth Proportional to 82,628.64, 124,494.33 and 74,740.32

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Solution

The fourth proportional to 82,628.64, 124,494.33 and 74,740.32 is: 112,609.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,628.64 : 124,494.33 = 74,740.32 : x
  2. Step 2: Convert to fraction form
    82,628.64/124,494.33 = 74,740.32/x
  3. Step 3: Cross multiply
    82,628.64x = 124,494.33 × 74,740.32
  4. Step 4: Simplify right side
    82,628.64x = 9,304,746,062.39
  5. Step 5: Solve for x
    x = 9,304,746,062.39/82,628.64
  6. Step 6: Final answer
    x = 112,609.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.