Home / 91,918.88-126,848.13-51,632.67

Finding the Fourth Proportional to 91,918.88, 126,848.13 and 51,632.67

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Solution

The fourth proportional to 91,918.88, 126,848.13 and 51,632.67 is: 71,253.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,918.88 : 126,848.13 = 51,632.67 : x
  2. Step 2: Convert to fraction form
    91,918.88/126,848.13 = 51,632.67/x
  3. Step 3: Cross multiply
    91,918.88x = 126,848.13 × 51,632.67
  4. Step 4: Simplify right side
    91,918.88x = 6,549,507,918.47
  5. Step 5: Solve for x
    x = 6,549,507,918.47/91,918.88
  6. Step 6: Final answer
    x = 71,253.13

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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.