Home / 52,111.05-71,913.59-28,237.92

Finding the Fourth Proportional to 52,111.05, 71,913.59 and 28,237.92

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Solution

The fourth proportional to 52,111.05, 71,913.59 and 28,237.92 is: 38,968.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,111.05 : 71,913.59 = 28,237.92 : x
  2. Step 2: Convert to fraction form
    52,111.05/71,913.59 = 28,237.92/x
  3. Step 3: Cross multiply
    52,111.05x = 71,913.59 × 28,237.92
  4. Step 4: Simplify right side
    52,111.05x = 2,030,689,896.36
  5. Step 5: Solve for x
    x = 2,030,689,896.36/52,111.05
  6. Step 6: Final answer
    x = 38,968.51

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1.5x scale

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.