Home / 52,100.67-78,154.62-20,935.93

Finding the Fourth Proportional to 52,100.67, 78,154.62 and 20,935.93

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Solution

The fourth proportional to 52,100.67, 78,154.62 and 20,935.93 is: 31,405.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,100.67 : 78,154.62 = 20,935.93 : x
  2. Step 2: Convert to fraction form
    52,100.67/78,154.62 = 20,935.93/x
  3. Step 3: Cross multiply
    52,100.67x = 78,154.62 × 20,935.93
  4. Step 4: Simplify right side
    52,100.67x = 1,636,239,548.82
  5. Step 5: Solve for x
    x = 1,636,239,548.82/52,100.67
  6. Step 6: Final answer
    x = 31,405.35

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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.