Home / 82,263.80-123,406.07-28,239.01

Finding the Fourth Proportional to 82,263.80, 123,406.07 and 28,239.01

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Solution

The fourth proportional to 82,263.80, 123,406.07 and 28,239.01 is: 42,362.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,263.80 : 123,406.07 = 28,239.01 : x
  2. Step 2: Convert to fraction form
    82,263.80/123,406.07 = 28,239.01/x
  3. Step 3: Cross multiply
    82,263.80x = 123,406.07 × 28,239.01
  4. Step 4: Simplify right side
    82,263.80x = 3,484,864,627.76
  5. Step 5: Solve for x
    x = 3,484,864,627.76/82,263.80
  6. Step 6: Final answer
    x = 42,362.07

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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.