Home / 57,112.67-78,857.06-45,844.15

Finding the Fourth Proportional to 57,112.67, 78,857.06 and 45,844.15

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Solution

The fourth proportional to 57,112.67, 78,857.06 and 45,844.15 is: 63,298.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,112.67 : 78,857.06 = 45,844.15 : x
  2. Step 2: Convert to fraction form
    57,112.67/78,857.06 = 45,844.15/x
  3. Step 3: Cross multiply
    57,112.67x = 78,857.06 × 45,844.15
  4. Step 4: Simplify right side
    57,112.67x = 3,615,134,460.84
  5. Step 5: Solve for x
    x = 3,615,134,460.84/57,112.67
  6. Step 6: Final answer
    x = 63,298.30

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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.