Home / 91,703.96-126,556.68-51,430.64

Finding the Fourth Proportional to 91,703.96, 126,556.68 and 51,430.64

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Solution

The fourth proportional to 91,703.96, 126,556.68 and 51,430.64 is: 70,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,703.96 : 126,556.68 = 51,430.64 : x
  2. Step 2: Convert to fraction form
    91,703.96/126,556.68 = 51,430.64/x
  3. Step 3: Cross multiply
    91,703.96x = 126,556.68 × 51,430.64
  4. Step 4: Simplify right side
    91,703.96x = 6,508,891,048.68
  5. Step 5: Solve for x
    x = 6,508,891,048.68/91,703.96
  6. Step 6: Final answer
    x = 70,977.21

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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.