Home / 52,772.16-79,157.88-21,607.32

Finding the Fourth Proportional to 52,772.16, 79,157.88 and 21,607.32

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Solution

The fourth proportional to 52,772.16, 79,157.88 and 21,607.32 is: 32,410.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,772.16 : 79,157.88 = 21,607.32 : x
  2. Step 2: Convert to fraction form
    52,772.16/79,157.88 = 21,607.32/x
  3. Step 3: Cross multiply
    52,772.16x = 79,157.88 × 21,607.32
  4. Step 4: Simplify right side
    52,772.16x = 1,710,389,643.68
  5. Step 5: Solve for x
    x = 1,710,389,643.68/52,772.16
  6. Step 6: Final answer
    x = 32,410.83

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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.