Home / 52,111.94-71,914.36-28,239.26

Finding the Fourth Proportional to 52,111.94, 71,914.36 and 28,239.26

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Solution

The fourth proportional to 52,111.94, 71,914.36 and 28,239.26 is: 38,970.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,111.94 : 71,914.36 = 28,239.26 : x
  2. Step 2: Convert to fraction form
    52,111.94/71,914.36 = 28,239.26/x
  3. Step 3: Cross multiply
    52,111.94x = 71,914.36 × 28,239.26
  4. Step 4: Simplify right side
    52,111.94x = 2,030,808,309.77
  5. Step 5: Solve for x
    x = 2,030,808,309.77/52,111.94
  6. Step 6: Final answer
    x = 38,970.12

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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.