Home / 91,635.96-126,457.42-55,825.94

Finding the Fourth Proportional to 91,635.96, 126,457.42 and 55,825.94

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Solution

The fourth proportional to 91,635.96, 126,457.42 and 55,825.94 is: 77,039.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,635.96 : 126,457.42 = 55,825.94 : x
  2. Step 2: Convert to fraction form
    91,635.96/126,457.42 = 55,825.94/x
  3. Step 3: Cross multiply
    91,635.96x = 126,457.42 × 55,825.94
  4. Step 4: Simplify right side
    91,635.96x = 7,059,604,341.47
  5. Step 5: Solve for x
    x = 7,059,604,341.47/91,635.96
  6. Step 6: Final answer
    x = 77,039.67

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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.