Home / 73,816.64-101,867.28-40,283.36

Finding the Fourth Proportional to 73,816.64, 101,867.28 and 40,283.36

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Solution

The fourth proportional to 73,816.64, 101,867.28 and 40,283.36 is: 55,591.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,816.64 : 101,867.28 = 40,283.36 : x
  2. Step 2: Convert to fraction form
    73,816.64/101,867.28 = 40,283.36/x
  3. Step 3: Cross multiply
    73,816.64x = 101,867.28 × 40,283.36
  4. Step 4: Simplify right side
    73,816.64x = 4,103,556,312.46
  5. Step 5: Solve for x
    x = 4,103,556,312.46/73,816.64
  6. Step 6: Final answer
    x = 55,591.21

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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.