Home / 91,270.12-125,948.94-57,296.32

Finding the Fourth Proportional to 91,270.12, 125,948.94 and 57,296.32

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Solution

The fourth proportional to 91,270.12, 125,948.94 and 57,296.32 is: 79,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,270.12 : 125,948.94 = 57,296.32 : x
  2. Step 2: Convert to fraction form
    91,270.12/125,948.94 = 57,296.32/x
  3. Step 3: Cross multiply
    91,270.12x = 125,948.94 × 57,296.32
  4. Step 4: Simplify right side
    91,270.12x = 7,216,410,769.90
  5. Step 5: Solve for x
    x = 7,216,410,769.90/91,270.12
  6. Step 6: Final answer
    x = 79,066.52

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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.