Home / 52,117.07-78,175.62-20,952.32

Finding the Fourth Proportional to 52,117.07, 78,175.62 and 20,952.32

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Solution

The fourth proportional to 52,117.07, 78,175.62 and 20,952.32 is: 31,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,117.07 : 78,175.62 = 20,952.32 : x
  2. Step 2: Convert to fraction form
    52,117.07/78,175.62 = 20,952.32/x
  3. Step 3: Cross multiply
    52,117.07x = 78,175.62 × 20,952.32
  4. Step 4: Simplify right side
    52,117.07x = 1,637,960,215.56
  5. Step 5: Solve for x
    x = 1,637,960,215.56/52,117.07
  6. Step 6: Final answer
    x = 31,428.48

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1.5x scale

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.