Home / 91,962.51-126,911.98-51,676.14

Finding the Fourth Proportional to 91,962.51, 126,911.98 and 51,676.14

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Solution

The fourth proportional to 91,962.51, 126,911.98 and 51,676.14 is: 71,315.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,962.51 : 126,911.98 = 51,676.14 : x
  2. Step 2: Convert to fraction form
    91,962.51/126,911.98 = 51,676.14/x
  3. Step 3: Cross multiply
    91,962.51x = 126,911.98 × 51,676.14
  4. Step 4: Simplify right side
    91,962.51x = 6,558,321,246.16
  5. Step 5: Solve for x
    x = 6,558,321,246.16/91,962.51
  6. Step 6: Final answer
    x = 71,315.16

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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.