Home / 83,579.04-115,341.84-45,855.36

Finding the Fourth Proportional to 83,579.04, 115,341.84 and 45,855.36

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Solution

The fourth proportional to 83,579.04, 115,341.84 and 45,855.36 is: 63,281.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,579.04 : 115,341.84 = 45,855.36 : x
  2. Step 2: Convert to fraction form
    83,579.04/115,341.84 = 45,855.36/x
  3. Step 3: Cross multiply
    83,579.04x = 115,341.84 × 45,855.36
  4. Step 4: Simplify right side
    83,579.04x = 5,289,041,596.26
  5. Step 5: Solve for x
    x = 5,289,041,596.26/83,579.04
  6. Step 6: Final answer
    x = 63,281.91

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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.