Home / 82,384.40-123,557.16-35,611.76

Finding the Fourth Proportional to 82,384.40, 123,557.16 and 35,611.76

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Solution

The fourth proportional to 82,384.40, 123,557.16 and 35,611.76 is: 53,409.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,384.40 : 123,557.16 = 35,611.76 : x
  2. Step 2: Convert to fraction form
    82,384.40/123,557.16 = 35,611.76/x
  3. Step 3: Cross multiply
    82,384.40x = 123,557.16 × 35,611.76
  4. Step 4: Simplify right side
    82,384.40x = 4,400,087,928.20
  5. Step 5: Solve for x
    x = 4,400,087,928.20/82,384.40
  6. Step 6: Final answer
    x = 53,409.24

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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.