Home / 82,359.44-113,571.16-70,462.16

Finding the Fourth Proportional to 82,359.44, 113,571.16 and 70,462.16

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Solution

The fourth proportional to 82,359.44, 113,571.16 and 70,462.16 is: 97,165.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,359.44 : 113,571.16 = 70,462.16 : x
  2. Step 2: Convert to fraction form
    82,359.44/113,571.16 = 70,462.16/x
  3. Step 3: Cross multiply
    82,359.44x = 113,571.16 × 70,462.16
  4. Step 4: Simplify right side
    82,359.44x = 8,002,468,679.45
  5. Step 5: Solve for x
    x = 8,002,468,679.45/82,359.44
  6. Step 6: Final answer
    x = 97,165.17

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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.