Home / 82,690.47-124,019.30-23,526.65

Finding the Fourth Proportional to 82,690.47, 124,019.30 and 23,526.65

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Solution

The fourth proportional to 82,690.47, 124,019.30 and 23,526.65 is: 35,285.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,690.47 : 124,019.30 = 23,526.65 : x
  2. Step 2: Convert to fraction form
    82,690.47/124,019.30 = 23,526.65/x
  3. Step 3: Cross multiply
    82,690.47x = 124,019.30 × 23,526.65
  4. Step 4: Simplify right side
    82,690.47x = 2,917,759,033.21
  5. Step 5: Solve for x
    x = 2,917,759,033.21/82,690.47
  6. Step 6: Final answer
    x = 35,285.31

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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.