Home / 74,579.04-102,852.72-74,206.80

Finding the Fourth Proportional to 74,579.04, 102,852.72 and 74,206.80

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Solution

The fourth proportional to 74,579.04, 102,852.72 and 74,206.80 is: 102,339.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,579.04 : 102,852.72 = 74,206.80 : x
  2. Step 2: Convert to fraction form
    74,579.04/102,852.72 = 74,206.80/x
  3. Step 3: Cross multiply
    74,579.04x = 102,852.72 × 74,206.80
  4. Step 4: Simplify right side
    74,579.04x = 7,632,371,222.50
  5. Step 5: Solve for x
    x = 7,632,371,222.50/74,579.04
  6. Step 6: Final answer
    x = 102,339.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.