Home / 52,707.04-79,071.28-21,544.80

Finding the Fourth Proportional to 52,707.04, 79,071.28 and 21,544.80

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Solution

The fourth proportional to 52,707.04, 79,071.28 and 21,544.80 is: 32,321.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,707.04 : 79,071.28 = 21,544.80 : x
  2. Step 2: Convert to fraction form
    52,707.04/79,071.28 = 21,544.80/x
  3. Step 3: Cross multiply
    52,707.04x = 79,071.28 × 21,544.80
  4. Step 4: Simplify right side
    52,707.04x = 1,703,574,913.34
  5. Step 5: Solve for x
    x = 1,703,574,913.34/52,707.04
  6. Step 6: Final answer
    x = 32,321.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.