Home / 91,325.42-126,028.71-51,039.16

Finding the Fourth Proportional to 91,325.42, 126,028.71 and 51,039.16

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Solution

The fourth proportional to 91,325.42, 126,028.71 and 51,039.16 is: 70,433.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,325.42 : 126,028.71 = 51,039.16 : x
  2. Step 2: Convert to fraction form
    91,325.42/126,028.71 = 51,039.16/x
  3. Step 3: Cross multiply
    91,325.42x = 126,028.71 × 51,039.16
  4. Step 4: Simplify right side
    91,325.42x = 6,432,399,888.12
  5. Step 5: Solve for x
    x = 6,432,399,888.12/91,325.42
  6. Step 6: Final answer
    x = 70,433.84

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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.