Home / 81,052.08-111,875.76-47,068.80

Finding the Fourth Proportional to 81,052.08, 111,875.76 and 47,068.80

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Solution

The fourth proportional to 81,052.08, 111,875.76 and 47,068.80 is: 64,968.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,052.08 : 111,875.76 = 47,068.80 : x
  2. Step 2: Convert to fraction form
    81,052.08/111,875.76 = 47,068.80/x
  3. Step 3: Cross multiply
    81,052.08x = 111,875.76 × 47,068.80
  4. Step 4: Simplify right side
    81,052.08x = 5,265,857,772.29
  5. Step 5: Solve for x
    x = 5,265,857,772.29/81,052.08
  6. Step 6: Final answer
    x = 64,968.82

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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.