Home / 91,255.72-125,931.58-50,970.07

Finding the Fourth Proportional to 91,255.72, 125,931.58 and 50,970.07

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Solution

The fourth proportional to 91,255.72, 125,931.58 and 50,970.07 is: 70,337.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,255.72 : 125,931.58 = 50,970.07 : x
  2. Step 2: Convert to fraction form
    91,255.72/125,931.58 = 50,970.07/x
  3. Step 3: Cross multiply
    91,255.72x = 125,931.58 × 50,970.07
  4. Step 4: Simplify right side
    91,255.72x = 6,418,741,447.81
  5. Step 5: Solve for x
    x = 6,418,741,447.81/91,255.72
  6. Step 6: Final answer
    x = 70,337.96

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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.