Home / 91,328.16-126,028.18-51,034.06

Finding the Fourth Proportional to 91,328.16, 126,028.18 and 51,034.06

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Solution

The fourth proportional to 91,328.16, 126,028.18 and 51,034.06 is: 70,424.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,328.16 : 126,028.18 = 51,034.06 : x
  2. Step 2: Convert to fraction form
    91,328.16/126,028.18 = 51,034.06/x
  3. Step 3: Cross multiply
    91,328.16x = 126,028.18 × 51,034.06
  4. Step 4: Simplify right side
    91,328.16x = 6,431,729,699.81
  5. Step 5: Solve for x
    x = 6,431,729,699.81/91,328.16
  6. Step 6: Final answer
    x = 70,424.39

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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.