Home / 91,792.51-126,673.37-51,506.45

Finding the Fourth Proportional to 91,792.51, 126,673.37 and 51,506.45

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Solution

The fourth proportional to 91,792.51, 126,673.37 and 51,506.45 is: 71,078.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,792.51 : 126,673.37 = 51,506.45 : x
  2. Step 2: Convert to fraction form
    91,792.51/126,673.37 = 51,506.45/x
  3. Step 3: Cross multiply
    91,792.51x = 126,673.37 × 51,506.45
  4. Step 4: Simplify right side
    91,792.51x = 6,524,495,375.51
  5. Step 5: Solve for x
    x = 6,524,495,375.51/91,792.51
  6. Step 6: Final answer
    x = 71,078.74

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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.