Home / 83,769.04-115,607.88-47,970.32

Finding the Fourth Proportional to 83,769.04, 115,607.88 and 47,970.32

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Solution

The fourth proportional to 83,769.04, 115,607.88 and 47,970.32 is: 66,202.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,769.04 : 115,607.88 = 47,970.32 : x
  2. Step 2: Convert to fraction form
    83,769.04/115,607.88 = 47,970.32/x
  3. Step 3: Cross multiply
    83,769.04x = 115,607.88 × 47,970.32
  4. Step 4: Simplify right side
    83,769.04x = 5,545,746,998.12
  5. Step 5: Solve for x
    x = 5,545,746,998.12/83,769.04
  6. Step 6: Final answer
    x = 66,202.82

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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.