Home / 82,547.40-123,806.70-29,929.80

Finding the Fourth Proportional to 82,547.40, 123,806.70 and 29,929.80

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Solution

The fourth proportional to 82,547.40, 123,806.70 and 29,929.80 is: 44,889.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,547.40 : 123,806.70 = 29,929.80 : x
  2. Step 2: Convert to fraction form
    82,547.40/123,806.70 = 29,929.80/x
  3. Step 3: Cross multiply
    82,547.40x = 123,806.70 × 29,929.80
  4. Step 4: Simplify right side
    82,547.40x = 3,705,509,769.66
  5. Step 5: Solve for x
    x = 3,705,509,769.66/82,547.40
  6. Step 6: Final answer
    x = 44,889.48

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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.