Home / 82,384.90-123,577.36-29,782.08

Finding the Fourth Proportional to 82,384.90, 123,577.36 and 29,782.08

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Solution

The fourth proportional to 82,384.90, 123,577.36 and 29,782.08 is: 44,673.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,384.90 : 123,577.36 = 29,782.08 : x
  2. Step 2: Convert to fraction form
    82,384.90/123,577.36 = 29,782.08/x
  3. Step 3: Cross multiply
    82,384.90x = 123,577.36 × 29,782.08
  4. Step 4: Simplify right side
    82,384.90x = 3,680,390,821.71
  5. Step 5: Solve for x
    x = 3,680,390,821.71/82,384.90
  6. Step 6: Final answer
    x = 44,673.12

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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.