Home / 91,289.61-125,958.07-53,026.43

Finding the Fourth Proportional to 91,289.61, 125,958.07 and 53,026.43

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Solution

The fourth proportional to 91,289.61, 125,958.07 and 53,026.43 is: 73,163.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,289.61 : 125,958.07 = 53,026.43 : x
  2. Step 2: Convert to fraction form
    91,289.61/125,958.07 = 53,026.43/x
  3. Step 3: Cross multiply
    91,289.61x = 125,958.07 × 53,026.43
  4. Step 4: Simplify right side
    91,289.61x = 6,679,106,019.43
  5. Step 5: Solve for x
    x = 6,679,106,019.43/91,289.61
  6. Step 6: Final answer
    x = 73,163.92

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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.