Home / 82,313.80-123,528.30-52,803.40

Finding the Fourth Proportional to 82,313.80, 123,528.30 and 52,803.40

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Solution

The fourth proportional to 82,313.80, 123,528.30 and 52,803.40 is: 79,242.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,313.80 : 123,528.30 = 52,803.40 : x
  2. Step 2: Convert to fraction form
    82,313.80/123,528.30 = 52,803.40/x
  3. Step 3: Cross multiply
    82,313.80x = 123,528.30 × 52,803.40
  4. Step 4: Simplify right side
    82,313.80x = 6,522,714,236.22
  5. Step 5: Solve for x
    x = 6,522,714,236.22/82,313.80
  6. Step 6: Final answer
    x = 79,242.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.