Home / 91,859.51-126,756.33-51,577.67

Finding the Fourth Proportional to 91,859.51, 126,756.33 and 51,577.67

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Solution

The fourth proportional to 91,859.51, 126,756.33 and 51,577.67 is: 71,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,859.51 : 126,756.33 = 51,577.67 : x
  2. Step 2: Convert to fraction form
    91,859.51/126,756.33 = 51,577.67/x
  3. Step 3: Cross multiply
    91,859.51x = 126,756.33 × 51,577.67
  4. Step 4: Simplify right side
    91,859.51x = 6,537,795,525.37
  5. Step 5: Solve for x
    x = 6,537,795,525.37/91,859.51
  6. Step 6: Final answer
    x = 71,171.68

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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.