Home / 91,560.96-126,343.04-51,271.56

Finding the Fourth Proportional to 91,560.96, 126,343.04 and 51,271.56

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Solution

The fourth proportional to 91,560.96, 126,343.04 and 51,271.56 is: 70,748.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,560.96 : 126,343.04 = 51,271.56 : x
  2. Step 2: Convert to fraction form
    91,560.96/126,343.04 = 51,271.56/x
  3. Step 3: Cross multiply
    91,560.96x = 126,343.04 × 51,271.56
  4. Step 4: Simplify right side
    91,560.96x = 6,477,804,755.94
  5. Step 5: Solve for x
    x = 6,477,804,755.94/91,560.96
  6. Step 6: Final answer
    x = 70,748.55

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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.