Home / 83,971.41-125,342.75-74,007.24

Finding the Fourth Proportional to 83,971.41, 125,342.75 and 74,007.24

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Solution

The fourth proportional to 83,971.41, 125,342.75 and 74,007.24 is: 110,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,971.41 : 125,342.75 = 74,007.24 : x
  2. Step 2: Convert to fraction form
    83,971.41/125,342.75 = 74,007.24/x
  3. Step 3: Cross multiply
    83,971.41x = 125,342.75 × 74,007.24
  4. Step 4: Simplify right side
    83,971.41x = 9,276,270,981.51
  5. Step 5: Solve for x
    x = 9,276,270,981.51/83,971.41
  6. Step 6: Final answer
    x = 110,469.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.