Home / 52,216.12-72,056.30-28,342.28

Finding the Fourth Proportional to 52,216.12, 72,056.30 and 28,342.28

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Solution

The fourth proportional to 52,216.12, 72,056.30 and 28,342.28 is: 39,111.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,216.12 : 72,056.30 = 28,342.28 : x
  2. Step 2: Convert to fraction form
    52,216.12/72,056.30 = 28,342.28/x
  3. Step 3: Cross multiply
    52,216.12x = 72,056.30 × 28,342.28
  4. Step 4: Simplify right side
    52,216.12x = 2,042,239,830.36
  5. Step 5: Solve for x
    x = 2,042,239,830.36/52,216.12
  6. Step 6: Final answer
    x = 39,111.29

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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.