Home / 91,802.64-126,688.66-50,969.54

Finding the Fourth Proportional to 91,802.64, 126,688.66 and 50,969.54

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Solution

The fourth proportional to 91,802.64, 126,688.66 and 50,969.54 is: 70,338.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,802.64 : 126,688.66 = 50,969.54 : x
  2. Step 2: Convert to fraction form
    91,802.64/126,688.66 = 50,969.54/x
  3. Step 3: Cross multiply
    91,802.64x = 126,688.66 × 50,969.54
  4. Step 4: Simplify right side
    91,802.64x = 6,457,262,723.42
  5. Step 5: Solve for x
    x = 6,457,262,723.42/91,802.64
  6. Step 6: Final answer
    x = 70,338.53

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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.